Chehalis Weather Forecast
- 52
- 70
Rain
- 48
- 66
Rain Likely
- 49
- 65
Rain Likely
- 49
- 64
Chance Rain
- 49
- 65
Mostly Cloudy
- 48
- 65
Mostly Cloudy
- 47
- 67
Mostly Cloudy
Today 25 Jun Lowlands of Lewis and Southern Thurston Counties
Cloudy. Highs near 70. Southwest wind to 10 Mph in the morning becoming light.
Tonight 25 Jun Lowlands of Lewis and Southern Thurston Counties
Cloudy with a chance of rain in the Evening, then rain at Times after midnight. Patchy fog after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows near 50. Light wind becoming south to 10 Mph with Gusts to 25 Mph after midnight.
Chehalis Temperature Statistics
June Temperature
Chehalis-Centralia Airport (1.2 miles)
Lowest 1 June, 2026
41 °FAverage June
62.1 °FHighest 15 June, 2026
91.4 °F
Climate (2021–2026)
Chehalis-Centralia Airport (1.2 miles)
Average Low 2021–2026
43.7 °FAverage 2021–2026
52.1 °FAverage High 2021–2026
61.4 °F