Extreme Heat Watch EXTREME HEAT WATCH - Belknap  - Caroll N  - Caroll S  - Cheshire/Keene  - Concord/Merrimack  - Grafton N  - Grafton S  - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham  - Strafford  - Sullivan

Heatwave continues to build through the week with hazardous heat likely Wednesday through at least Friday. Multiple rounds of storms are also possible this afternoon through Friday, some which could become strong to severe with gusty winds and hail.
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Updated: @ 06/30/2026 12:50 - next update at 12:55  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 86.5, Max: 86.7, Min: 55.9 86.5°F
Warmer 2.8°F than last hour.

Warm

Feels like: 89°F

24-hr difference
2.9°FWarmer 2.9°F than yesterday at this time.
  Today Yesterday
High: 86.7°F
12:49
85.1°F
13:46
Low: 55.9°F
05:26
55°F
05:13
 Wind from SE SE
1
Gust:
2 mph
0 Bft - Calm
Today: 4 mph 11:52
Gust Month: 19 mph June 26
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 3.97 in
Season Total: 15.68 in
9 rain days in June.
Tonight

Tonight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 53 % Decreased 7.0% since last hour.
Dew Point: 67.2°F Decreased 1.2°F since last hour.
Barometer: 29.916 inHg Falling 0.03  inHg/hr
Baro Trend: Steady
Sunrise: 05:10
Sunset: 20:30
Moonset: 05:18
Moonrise: 21:29
Full Moon
Full Moon, Moon at 15 days in cycle
100%
Illuminated
UV Index Solar Radiation
   7.0     High 
High: 7.0 @ 11:23
730 W/m2 (74 %)
High: 750 @  11:57
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny
Mostly Sunny

Hi 90 °F
NWS forecast: Mostly sunny, with a high near 90. South wind 0 to 5 mph.
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Lo 66 °F
NWS forecast: A slight chance of showers and thunderstorms between 8pm and 9pm, then a chance of showers and thunderstorms between 10pm and midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 66. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.