Jefferson Weather Forecast
- 64
- 84
Increasing Clouds
- 65
- 90
Rain Showers
- 60
- 81
Slight Chance Rain Showers
- 63
- 83
Mostly Sunny
- 64
- 86
Rain Showers Likely
- 64
- 86
Chance Rain Showers
Today 21 Jun Frederick
Mostly sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.
Tonight 21 Jun Frederick
Partly cloudy in the Evening, then mostly cloudy with isolated Showers after midnight. Lows in the mid 60s. North Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 20 percent.
Jefferson Temperature Statistics
June Temperature
Frederick Municipal Airport (9.3 miles)
Lowest 3 June, 2026
46.6 °FAverage June
69.2 °FHighest 11 June, 2026
93.2 °F
Climate (2021–2026)
Frederick Municipal Airport (9.3 miles)
Average Low 2021–2026
46.2 °FAverage 2021–2026
54.7 °FAverage High 2021–2026
67.3 °F