Severe Thunderstorm Warning SEVERE THUNDERSTORM WARNING - Cheshire/Keene  - Concord/Merrimack  - Hillsborough  - Nashua  - Sullivan
Severe Thunderstorm Watch SEVERE THUNDERSTORM WATCH - Cheshire/Keene  - Concord/Merrimack  - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham  - Sullivan

Overnight instability and shear still support occasional instances of strong to severe thunderstorms through early this morning. These should be focused across far southern Maine and central to southern New Hampshire. Additional cold fronts will approach today and again Thursday, bringing chances for showers and storms and a slight cooling trend into the weekend.
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Updated: @ 07/15/2026 04:20 - next update at 04:25  
Summary / Temperature Wind Rain Outlook
Light rain, Nearby thunderstorm, Partly cloudy Light rain, Nearby thunderstorm, Partly cloudy
Currently: 74.3, Max: 76.6, Min: 74.1 74.3°F
Colder 1.8°F than last hour.

Comfortable

Feels like: 74°F

24-hr difference
7°FWarmer 7.0°F than yesterday at this time.
  Today Yesterday
High: 76.6°F
01:21
88°F
15:41
Low: 74.1°F
04:15
67.3°F
04:20
 Wind from ESE ESE
1
Gust:
2 mph
0 Bft - Calm
Today: 4 mph 04:04
Gust Month: 17 mph July 04
Rain Today: 0.01 in
Rain Rate (/hr): 0.01 in
Rain Yesterday: 0 in
Storm Rain: 0.01 in
This Month: 0.2 in
Season Total: 15.98 in
4 rain days in July.
Wednesday

Wednesday: Isolated Showers And Thunderstorms then Mostly Sunny
Isolated Showers And T-Storms then Mostly Sunny
Humidity & Barometer Almanac Moon
Humidity: 92 % Increased 9.0% since last hour.
Dew Point: 72°F Increased 1.4°F since last hour.
Barometer: 29.658 inHg Rising 0.03  inHg/hr
Baro Trend: Steady
Sunrise: 05:20
Sunset: 20:24
Moonrise: 06:34
Moonset: 21:35
Waxing Crescent
Waxing Crescent, Moon at 1 days in cycle
1%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
0 W/m2 (0 %)
High: 0 @  00:00
 NWS Weather Forecast  - Outlook: Overnight & Wednesday
Overnight

Overnight: Isolated Showers And Thunderstorms
Isolated Showers And T-Storms

Lo 73 °F
NWS forecast: Isolated showers and thunderstorms before 5am, then scattered showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 73. West wind around 5 mph. Chance of precipitation is 30%.
 
Wednesday

Wednesday: Isolated Showers And Thunderstorms then Mostly Sunny
Isolated Showers And T-Storms then Mostly Sunny

Hi 86 °F
NWS forecast: Isolated showers and thunderstorms before 8am, then patchy smoke between 8am and noon. Some of the storms could be severe. Mostly sunny, with a high near 86. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.