Cromwell Weather Forecast
- 46
- 58
Rain
- 42
- 54
Rain
- 42
- 48
Rain
- 40
- 49
Rain
- 38
- 45
Rain
- 38
- 44
Rain
Today 15 Dec Lowlands of Pierce and Southern King Counties
Windy. Rain until late Afternoon, then Showers likely and a slight chance of Thunderstorms late in the afternoon. Some Thunderstorms may produce heavy rainfall late in the afternoon. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. South wind 15 to 30 Mph becoming southwest 20 to 30 Mph in the afternoon. Gusts to 40 Mph.
Tonight 15 Dec Lowlands of Pierce and Southern King Counties
Windy. Showers likely and a slight chance of Thunderstorms in the Evening, then rain at Times after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 40s. Southwest wind 15 to 30 Mph with Gusts to 40 Mph becoming south 10 to 15 Mph with Gusts to 25 Mph after midnight.
Cromwell Temperature Statistics
December Temperature
Tacoma, Tacoma Narrows Airport (1.9 miles)
Lowest 1 December, 2025
37 °FAverage December
48.2 °FHighest 10 December, 2025
57 °F
Climate (2020–Present)
Tacoma, Tacoma Narrows Airport (1.9 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
53 °FAverage High 2020–2025
60.4 °F