Half Moon Bay, CA Weather

02:09 Thursday Artboard
Partly cloudy
Partly cloudy
10° Feels like 10°
Last Quarter Last Quarter Illuminated: 66%
  • Today 20 March Scattered clouds 14° / 6° Calm 18 - 41 km/h
  • Tomorrow 21 March Scattered clouds 14° / 6° Calm 21 - 47 km/h
  • Saturday 22 March Fog More information 14° / 9° Calm 18 - 41 km/h
  • Sunday 23 March Partly cloudy 15° / 8° Calm 13 - 31 km/h
  • Monday 24 March Mist 23° / 6° Calm 9 - 24 km/h
  • Tuesday 25 March Scattered clouds 19° / 9° Calm 8 - 25 km/h
  • Wednesday 26 March Partly cloudy 16° / 9° Calm 11 - 28 km/h

Weather Forecast for Half Moon Bay, CA Today

, 20 March

Tomorrow

, 21 March
02:00 Partly cloudy 10° Partly cloudy
Feels Like 10°
Calm Southeast 5 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 86%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 90%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 2100 m
03:00 Scattered clouds 9° Scattered clouds
Feels Like 9°
Calm South 5 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 93%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 45%
  • Feels Like Feels Like 9 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 2200 m
04:00 Scattered clouds 8° Scattered clouds
Feels Like 8°
Calm Southwest 4 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 37%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 2200 m
Partly cloudy 05:00 Partly cloudy 8° Partly cloudy
Feels Like 8°
Calm Northwest 3 - 12 km/h
UV Index 0 Low SPF: no
Partly cloudy 05:00 Partly cloudy 8° Partly cloudy
Feels Like 8°
Calm Northwest 3 - 12 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 57%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 12 km/h
  • Snowline Snowline 2200 m
06:00 Partly cloudy 7° Partly cloudy
Feels Like 7°
Calm North 4 - 10 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 98%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 71%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 8 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 10 km/h
  • Snowline Snowline 2300 m
07:00 Partly cloudy 7° Partly cloudy
Feels Like 7°
Calm North 4 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 99%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 69%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 7 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 2300 m
Partly cloudy 08:00 Partly cloudy 8° Partly cloudy
Feels Like 7°
Calm North 8 - 15 km/h
UV Index 0 Low SPF: no
Partly cloudy 08:00 Partly cloudy 8° Partly cloudy
Feels Like 7°
Calm North 8 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 99%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 72%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 6 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 2300 m
09:00 Partly cloudy 9° Partly cloudy
Feels Like 9°
Calm North 6 - 18 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 57%
  • Feels Like Feels Like 9 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 2400 m
10:00 Scattered clouds 11° Scattered clouds
Feels Like 11°
Calm North 8 - 21 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 36%
  • Feels Like Feels Like 11 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 2400 m
Scattered clouds 11:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm North 9 - 23 km/h
UV Index 3 Moderate SPF: 6-10
Scattered clouds 11:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm North 9 - 23 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 23 km/h
  • Snowline Snowline 2500 m
12:00 Scattered clouds 13° Scattered clouds
Feels Like 13°
Calm Northwest 11 - 27 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 6 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Snowline Snowline 2500 m
13:00 Scattered clouds 14° Scattered clouds
Feels Like 14°
Calm Northwest 12 - 29 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 6 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 2500 m
Scattered clouds 14:00 Scattered clouds 13° Scattered clouds
Feels Like 13°
Calm Northwest 14 - 33 km/h
UV Index 5 Moderate SPF: 6-10
Scattered clouds 14:00 Scattered clouds 13° Scattered clouds
Feels Like 13°
Calm Northwest 14 - 33 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 2600 m
15:00 Scattered clouds 13° Scattered clouds
Feels Like 13°
Calm Northwest 16 - 36 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 47%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 2800 m
16:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Northwest 18 - 39 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 46%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 3000 m
Scattered clouds 17:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Northwest 17 - 40 km/h
UV Index 1 Low SPF: no
Scattered clouds 17:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Northwest 17 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 3100 m
18:00 Scattered clouds 11° Scattered clouds
Feels Like 11°
Calm Northwest 14 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 80%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 11 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 3100 m
19:00 Sunny 10° Sunny
Feels Like 8°
Calm Northwest 14 - 30 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 88%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 6%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Snowline Snowline 3100 m
Clear 20:00 Clear 9° Clear
Feels Like 7°
Calm Northwest 14 - 36 km/h
UV Index 0 Low SPF: no
Clear 20:00 Clear 9° Clear
Feels Like 7°
Calm Northwest 14 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 3100 m
21:00 Clear 9° Clear
Feels Like 7°
Calm Northwest 13 - 28 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 6%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Snowline Snowline 3100 m
22:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm Northwest 14 - 28 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 91%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 34%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Snowline Snowline 3100 m
Scattered clouds 23:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm Northwest 13 - 29 km/h
UV Index 0 Low SPF: no
Scattered clouds 23:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm Northwest 13 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 93%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 35%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 3100 m
24:00 Scattered clouds 8° Scattered clouds
Feels Like 7°
Calm Northwest 11 - 26 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 94%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 3200 m

Sunrise and Sunset

Sunrise 07:12 Sunset 19:22
First light 06:46 Midday 13:17 Last light 19:48
Day length 12h 9m

Time remaining until sunrise 4h 37m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
20
Last Quarter 		21
Last Quarter 		22
Last Quarter 		23
Last Quarter
24
Last Quarter 		25
Last Quarter 		26
Last Quarter 		27
Last Quarter 		28
New Moon 		29
New Moon 		30
New Moon
31
First Quarter 		1
First Quarter 		2
First Quarter

Air quality in Half Moon Bay today

Detail
39
Fair O₃ (98 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs
Maximum Minimum Rainfall

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