Washington Weather Forecast
- 62
- 85
Increasing Clouds
- 55
- 78
Mostly Sunny
- 63
- 79
Rain Showers Likely
- 61
- 81
Partly Sunny
- 60
- 79
Partly Sunny
- 65
- 83
Partly Sunny
Today 10 Sep Warren
Mostly sunny. Hot with Highs in the mid 80s. West Winds 5 to 10 Mph.
Tonight 10 Sep Warren
Mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 60s. Northwest Winds around 5 Mph. Chance of rain 20 percent.
Washington Temperature Statistics
September Temperature
Somerville, Somerset Airport (18.6 miles)
Lowest 8 September, 2026
51.1 °FAverage September
70.6 °FHighest 1 September, 2026
87.1 °F
Climate (2021–2026)
Somerville, Somerset Airport (18.6 miles)
Average Low 2021–2026
43 °FAverage 2021–2026
54.3 °FAverage High 2021–2026
65.6 °F