Glacial Heritage Preserve Weather Forecast
- 43
- 61
Rain Showers Likely
- 45
- 61
Chance Rain Showers
- 47
- 63
Mostly Cloudy
- 42
- 63
Mostly Cloudy
- 44
- 62
Slight Chance Rain Showers
- 47
- 63
Chance Rain Showers
Today 11 May Lowlands of Lewis and Southern Thurston Counties
Mostly cloudy. Patchy fog in the morning. A chance of Showers in the morning. Showers likely early in the Afternoon, then Showers and a slight chance of Thunderstorms late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the lower to mid 60s. Light wind.
Tonight 11 May Lowlands of Lewis and Southern Thurston Counties
Mostly cloudy with Showers likely and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Showers after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower 40s. Light wind.
Glacial Heritage Preserve Temperature Statistics
May Temperature
Olympia, Olympia Airport (9.9 miles)
Lowest 5 May, 2025
31.7 °FAverage May
54 °FHighest 6 May, 2025
80.7 °F
Climate (2020–Present)
Olympia, Olympia Airport (9.9 miles)
Average Low 2020–2025
41.7 °FAverage 2020–2025
51.4 °FAverage High 2020–2025
61.8 °F