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

Hot and humid conditions persist today. A cold front crosses later today and tonight, bringing showers and storms this afternoon and evening. A few storms could be strong to severe with damaging winds the primary hazard, and high rainfall rates in any slow-moving storms could pose a localized flash flood risk. Behind the front, some relief to the humidity is likely over the weekend. Another cold front crosses late Sunday bringing a cooler airmass into next week.
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Updated: @ 06/12/2026 08:50 - next update at 08:55  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 77.1, Max: 77.2, Min: 67.6 77.1°F
Warmer 4.3°F than last hour.

Comfortable

Feels like: 77°F

24-hr difference
1.7°FWarmer 1.7°F than yesterday at this time.
  Today Yesterday
High: 77.2°F
08:46
90.1°F
15:49
Low: 67.6°F
04:30
68.4°F
06:17
 Wind from NE NE
0
Gust:
1 mph
0 Bft - Calm
Today: 2 mph 07:37
Gust Month: 14 mph June 03
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.03 in
Season Total: 11.74 in
1 rain day in June.
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Patchy Fog
Slight Chance Showers And T-Storms then Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 87 % Decreased 11.0% since last hour.
Dew Point: 73°F Increased 0.9°F since last hour.
Barometer: 29.583 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:06
Sunset: 20:27
Moonrise: 02:35
Moonset: 18:00
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
10%
Illuminated
UV Index Solar Radiation
   0.7     Low 
High: 1.0 @ 08:08
99 W/m2 (18 %)
High: 135 @  08:29
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 93 °F
NWS forecast: Patchy fog and a slight chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 100. Southwest wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Patchy Fog
Slight Chance Showers And T-Storms then Patchy Fog

Lo 61 °F
NWS forecast: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then patchy fog and a chance of showers and thunderstorms between 9pm and 11pm, then patchy fog and a slight chance of rain showers. Partly cloudy, with a low around 61. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.