Air Quality Alert AIR QUALITY ALERT - Portsmouth Seacoast  - Rockingham

High pressure builds in today for fair weather with lower temperatures and humidity levels. Low pressure crosses south of New England late Monday through Tuesday, bringing the next chance for rain. High pressure returns mid week with heat and humidity building for the second half of the week.
Click to Zoom/Unzoom Visit Gray, Maine Weather Forecast Office-


spacer
Updated: @ 07/05/2026 07:00 - next update at 07:05  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 57.7, Max: 65.5, Min: 56.1 57.7°F
Warmer 1.5°F than last hour.

Cool

Feels like: 58°F

24-hr difference
-12.8°FColder 12.8°F than yesterday at this time.
  Today Yesterday
High: 65.5°F
00:00
87.4°F
12:51
Low: 56.1°F
05:28
65.5°F
23:58
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 1 mph 00:17
Gust Month: 17 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.01 in
Storm Rain: 0 in
This Month: 0.03 in
Season Total: 15.8 in
2 rain days in July.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 99 %  
Dew Point: 57.4°F Increased 1.5°F since last hour.
Barometer: 29.892 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:13
Sunset: 20:29
Moonset: 10:46
Moonrise: 23:27
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
74%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
18 W/m2 (10 %)
High: 18 @  06:57
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny
Mostly Sunny

Hi 85 °F
NWS forecast: Mostly sunny, with a high near 85. Northeast wind around 0 mph.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 58 °F
NWS forecast: Mostly cloudy, with a low around 58. East wind around 0 mph.