Heat Advisory HEAT ADVISORY - Belknap  - Caroll N  - Caroll S  - Cheshire/Keene  - Concord/Merrimack  - Coos South  - Grafton N  - Grafton S  - Hillsborough  - Nashua  - Portsmouth Seacoast  - Rockingham  - Strafford  - Sullivan

Heat and humidity peaks on Tuesday with heat indices of 95 to 105 degrees south of the mountains. Humidity abates Wednesday, but hot conditions linger into Thursday with highs in the upper 80s to low 90s. Strong to severe thunderstorms track south across the area starting Tuesday evening into Tuesday night.
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Updated: @ 07/13/2026 17:55 - next update at 18:00  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 85.6, Max: 88.3, Min: 56.1 85.6°F
 

Warm

Feels like: 88°F

24-hr difference
4.3°FWarmer 4.3°F than yesterday at this time.
  Today Yesterday
High: 88.3°F
14:44
83.7°F
16:26
Low: 56.1°F
05:16
51.4°F
05:33
 Wind from SSE SSE
2
Gust:
7 mph
1 Bft - Light air
Today: 8 mph 11:33
Gust Month: 17 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.19 in
Season Total: 15.97 in
3 rain days in July.
Tonight

Tonight: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 54 % Increased 4.0% since last hour.
Dew Point: 66.9°F Increased 2.3°F since last hour.
Barometer: 29.919 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 05:19
Sunset: 20:26
Moonrise: 03:51
Moonset: 20:19
New Moon
New Moon, Moon at 27 days in cycle
0%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 8.0 @ 13:11
42 W/m2 (12 %)
High: 875 @  13:20
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Rain Showers
Slight Chance Rain Showers

Hi 89 °F
NWS forecast: A slight chance of rain showers. Mostly sunny, with a high near 89. West wind around 5 mph. Chance of precipitation is 20%.
 
Tonight

Tonight: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy

Lo 65 °F
NWS forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 20%.