Darnestown Weather Forecast
- 62
- 84
Chance Rain Showers
- 61
- 79
Mostly Sunny
- 63
- 81
Partly Sunny
- 65
- 80
Partly Sunny
- 69
- 85
Chance Rain Showers
- 71
- 89
Chance Thunderstorms
Today 22 Jul Central and Southeast Montgomery
Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. West Winds 10 to 15 Mph. Chance of rain 50 percent.
Tonight 22 Jul Central and Southeast Montgomery
Mostly cloudy with scattered Showers and Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Lows in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Darnestown Temperature Statistics
July Temperature
Gaithersburg - Montgomery County Airport (8.1 miles)
Lowest 13 July, 2026
62.6 °FAverage July
79.1 °FHighest 4 July, 2026
100.9 °F
Climate (2021–2026)
Gaithersburg - Montgomery County Airport (8.1 miles)
Average Low 2021–2026
46.2 °FAverage 2021–2026
56 °FAverage High 2021–2026
65.9 °F