Portsmouth, ME Weather

09:33 Friday Artboard
Overcast Overcast Feels like -4° Northeast Northeast 15 - 29 km/h
  • Today 20 Dec. Snow 90% 3.4 mm / -5° Calm 27 - 50 km/h
  • Tomorrow 21 Dec. Scattered clouds / -9° Calm 25 - 50 km/h
  • Sunday 22 Dec. Clear -7° / -12° Calm 22 - 41 km/h
  • Monday 23 Dec. Scattered clouds -4° / -13° Calm 11 - 23 km/h
  • Tuesday 24 Dec. Snow 80% 2.5 mm -2° / -6° Calm 17 - 31 km/h
  • Wednesday 25 Dec. Overcast / -4° Calm 17 - 31 km/h
  • Thursday 26 Dec. Partly cloudy / -3° Calm 12 - 24 km/h

Weather Forecast for Portsmouth, ME Today

, 20 December

Tomorrow

, 21 December
10:00 Overcast Overcast
Feels Like -4°
Calm Northeast 15 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1024 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 0 m
11:00 Overcast Overcast
Feels Like -4°
Calm Northeast 16 - 31 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Snowline Snowline 0 m
12:00 Overcast Overcast
Feels Like -5°
Calm Northeast 20 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -5 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1022 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 0 m
13:00 Overcast Overcast
Feels Like -5°
Calm Northeast 22 - 41 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -5 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 0 m
14:00 Overcast Overcast
Feels Like -4°
Calm Northeast 21 - 42 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 42 km/h
  • Snowline Snowline 100 m
15:00 Overcast Overcast
Feels Like -4°
Calm Northeast 22 - 40 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 14 km
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 100 m
16:00 Snow 50% 0.2 cm Snow
Feels Like -5°
Calm Northeast 23 - 44 km/h
UV Index 0 Low SPF: no
  • Snow Snow 50% 0.2 cm
  • Humidity Humidity 82%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0 m
  • Feels Like Feels Like -5 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1018 hPa
  • Snowline Snowline 100 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 4 km
Snow 17:00 Snow 70% 0.7 cm Snow
Feels Like -6°
Calm Northeast 25 - 44 km/h
UV Index 0 Low SPF: no
Snow 17:00 Snow 90% 1.9 cm Snow
Feels Like -6°
Calm Northeast 25 - 44 km/h
UV Index 0 Low SPF: no
  • Snow Snow 70% 0.7 cm
  • Humidity Humidity 82%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0 m
  • Feels Like Feels Like -6 °C
  • Wind Wind - Average 25 km/h
  • Pressure Pressure 1018 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 2 km
18:00 Snow 90% 1 cm -1° Snow
Feels Like -6°
Calm Northeast 27 - 47 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 1 cm
  • Humidity Humidity 80%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -6 °C
  • Wind Wind - Average 27 km/h
  • Pressure Pressure 1017 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 47 km/h
  • Visibility Visibility 3 km
19:00 Snow 90% 0.9 cm -2° Snow
Feels Like -8°
Calm North 27 - 49 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.9 cm
  • Humidity Humidity 79%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 27 km/h
  • Pressure Pressure 1016 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 49 km/h
  • Visibility Visibility 4 km
Snow 20:00 Snow 70% 0.5 cm -2° Snow
Feels Like -8°
Calm Northeast 26 - 49 km/h
UV Index 0 Low SPF: no
Snow 20:00 Snow 90% 1.6 cm -2° Snow
Feels Like -8°
Calm Northeast 26 - 49 km/h
UV Index 0 Low SPF: no
  • Snow Snow 70% 0.5 cm
  • Humidity Humidity 79%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 26 km/h
  • Pressure Pressure 1016 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 49 km/h
  • Visibility Visibility 6 km
21:00 Snow 50% 0.2 cm -3° Snow
Feels Like -9°
Calm North 23 - 46 km/h
UV Index 0 Low SPF: no
  • Snow Snow 50% 0.2 cm
  • Humidity Humidity 80%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 94%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1015 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 46 km/h
  • Visibility Visibility 12 km
22:00 Partly cloudy -3° Partly cloudy
Feels Like -9°
Calm North 22 - 49 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 76%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1015 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 49 km/h
  • Visibility Visibility 25 km
Partly cloudy 23:00 Partly cloudy -4° Partly cloudy
Feels Like -10°
Calm North 22 - 42 km/h
UV Index 0 Low SPF: no
Partly cloudy 23:00 Partly cloudy -4° Partly cloudy
Feels Like -10°
Calm North 22 - 42 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 84%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1014 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 42 km/h
  • Visibility Visibility 40 km
24:00 Partly cloudy -4° Partly cloudy
Feels Like -10°
Calm North 21 - 39 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -8 °C
  • Clouds Clouds 93%
  • Snow depth Snow depth 1 cm
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1013 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Visibility Visibility 45 km

Air quality in Portsmouth today

Detail
33
Fair O₃ (81 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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