Flood Watch FLOOD WATCH - Belknap  - Caroll N  - Caroll S  - Cheshire/Keene  - Concord/Merrimack  - Grafton N  - Grafton S  - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham  - Strafford  - Sullivan

Slow moving low pressure brings periods of moderate to heavy rainfall today, especially across SW New Hampshire where a Flood Watch goes in effect today through tonight. Rainfall lifts northeast Thursday shifting the heaviest rainfall across SW Maine. The system exits Friday with mostly dry weather Saturday.
Click to Zoom/Unzoom Visit Gray, Maine Weather Forecast Office-


spacer
Updated: @ 07/29/2026 12:55 - next update at 13:00  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 68.7, Max: 69.8, Min: 65.1 68.7°F
Colder 0.6°F than last hour.

Comfortable

Feels like: 69°F

24-hr difference
-9°FColder 9.0°F than yesterday at this time.
  Today Yesterday
High: 69.8°F
10:26
83.3°F
14:16
Low: 65.1°F
05:34
55.9°F
05:27
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 4 mph 08:25
Gust Month: 19 mph July 16
Rain Today: 0.01 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.1 in
Storm Rain: 0.11 in
This Month: 1.03 in
Season Total: 16.8 in
9 rain days in July.
Tonight

Tonight: Patchy Fog
Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 85 % Increased 2.0% since last hour.
Dew Point: 64°F Increased 0.2°F since last hour.
Barometer: 29.615 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:34
Sunset: 20:12
Moonset: 05:18
Moonrise: 20:30
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
UV Index Solar Radiation
   1.0     Low 
High: 1.0 @ 09:50
110 W/m2 (12 %)
High: 144 @  12:38
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Showers And Thunderstorms
Showers And T-Storms

Hi 71 °F
NWS forecast: Rain showers likely before 2pm, then showers and thunderstorms between 2pm and 4pm, then patchy fog and showers and thunderstorms. Cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
 
Tonight

Tonight: Patchy Fog
Patchy Fog

Lo 55 °F
NWS forecast: Patchy fog and showers and thunderstorms. Cloudy, with a low around 55. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.