Manchester, NH – Summer calm settles over New Hampshire Monday, July 21st, with sun and seasonal temps—but don’t get too comfortable. A sharp warm-up later this week could push heat indices past 95° by Friday, with scattered storms possible into the weekend.
According to the National Weather Service in Gray, conditions across southern New Hampshire will remain sunny and dry Monday with highs near 76°F. Northwest winds may gust up to 25 mph during the afternoon, offering some relief. By Tuesday, temperatures climb toward 80°F under clear skies, with overnight lows staying in the 50s.
Residents should prepare for a shift beginning Thursday, as heat and humidity surge. Friday’s high could reach 93°F, with a 30% chance of afternoon thunderstorms. Storms may also pop up Friday night, followed by a humid, partly cloudy Saturday in the low 90s.
Drivers along I-93 and Route 3 should stay alert Friday for reduced visibility or sudden downpours. Power outages and tree damage can’t be ruled out if stronger storms materialize.
Keep fans and AC units ready, and avoid strenuous activity during peak heat hours, especially Friday into Saturday. Stay hydrated and check in on elderly neighbors or pets that may struggle with rising temps.
Five-Day Forecast for Manchester, NH:
- Monday, July 21 – Sunny, high near 76°F, gusts up to 25 mph
- Tuesday – Sunny, high near 80°F, mostly clear overnight
- Wednesday – Sunny, high near 85°F, low around 64°F
- Thursday – Partly cloudy, high near 88°F, low around 73°F
- Friday – 30% chance of PM thunderstorms, hot and humid, high near 93°F
- Saturday – Mostly sunny, high near 90°F, warm and breezy
Stay weather-aware: heat advisories or thunderstorm alerts could be issued as early as Thursday.
