Sandown Weather Forecast
- 61
- 86
Severe Tstms
- 52
- 76
Sunny
- 54
- 78
Mostly Sunny
- 64
- 83
Partly Sunny
- 72
- 90
Partly Sunny
- 70
- 92
Chance Thunderstorms
Today 20 Jul Interior Rockingham
Partly sunny. Showers and Thunderstorms likely this afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Warm with Highs in the mid 80s. Light and variable Winds. Chance of rain 70 percent. Heat index Values in the lower 90s this afternoon.
Tonight 20 Jul Interior Rockingham
Partly cloudy with Showers likely with scattered Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Humid with Lows in the lower 60s. Light and variable Winds, becoming northwest around 10 Mph after midnight. Chance of rain 70 percent.
Sandown Temperature Statistics
July Temperature
Manchester Airport (12.4 miles)
Lowest 5 July, 2025
52.6 °FAverage July
76.7 °FHighest 16 July, 2025
96.7 °F
Climate (2020–Present)
Manchester Airport (12.4 miles)
Average Low 2020–2025
43.1 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
62 °F