Jarrettsville Weather Forecast
- 60
- 80
Increasing Clouds
- 59
- 83
Mostly Sunny
- 59
- 81
Partly Sunny
- 58
- 76
Mostly Cloudy
- 58
- 75
Chance Rain Showers
- 60
- 79
Slight Chance Thunderstorms
- 60
- 82
Partly Sunny
Today 13 Sep Northwest Harford
Sunny. Highs in the upper 70s. South Winds around 5 Mph.
Tonight 13 Sep Northwest Harford
Partly cloudy. Lows around 60. South Winds 5 to 10 Mph.
Jarrettsville Temperature Statistics
September Temperature
Baltimore / Martin (18.6 miles)
Lowest 8 September, 2025
51.8 °FAverage September
66.6 °FHighest 6 September, 2025
86 °F
Climate (2020–Present)
Baltimore / Martin (18.6 miles)
Average Low 2020–2025
48.6 °FAverage 2020–2025
55.5 °FAverage High 2020–2025
64.9 °F