Olympia Weather Forecast
- 51
- 59
Rain
- 53
- 60
Rain
- 52
- 59
Rain
- 50
- 58
Rain
- 50
- 60
Chance Rain
- 46
- 60
Slight Chance Rain
Today 29 Sep Olympia and Southern Puget Sound
A chance of rain in the Morning, then rain at Times in the late morning and early afternoon. Showers likely and a slight chance of Thunderstorms late in the afternoon. Patchy fog in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the 60s. South wind 10 to 15 Mph becoming southwest in the afternoon. Gusts to 25 Mph.
Tonight 29 Sep Olympia and Southern Puget Sound
Mostly cloudy. Patchy fog in the evening. Showers likely and a slight chance of Thunderstorms in the Evening, then a chance of rain after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows near 50. Southwest wind to 10 Mph becoming south after midnight.
Olympia Temperature Statistics
September Temperature
Olympia, Olympia Airport (5 miles)
Lowest 19 September, 2025
41 °FAverage September
61.6 °FHighest 16 September, 2025
88 °F
Climate (2020–Present)
Olympia, Olympia Airport (5 miles)
Average Low 2020–2025
41.6 °FAverage 2020–2025
51.6 °FAverage High 2020–2025
62.1 °F