Terrapin Lake Weather Forecast
- 56
- 78
Mostly Sunny
- 61
- 82
Chance Thunderstorms
- 59
- 79
Partly Sunny
- 53
- 79
Mostly Sunny
- 57
- 78
Partly Sunny
- 62
- 81
Slight Chance Thunderstorms
- 61
- 83
Slight Chance Thunderstorms
Today 19 Aug Washington
Sunny. Near steady temperature in the upper 70s. Northwest Winds up to 5 Mph.
Tonight 19 Aug Washington
Mostly clear. Lows in the upper 50s. Northeast Winds up to 5 Mph shifting to the south after midnight.
Terrapin Lake Temperature Statistics
August Temperature
L O Simenstad Municipal Airport (10.6 miles)
Lowest 6 August, 2026
54.1 °FAverage August
73.7 °FHighest 12 August, 2026
88.2 °F
Climate (2021–2026)
L O Simenstad Municipal Airport (10.6 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.4 °FAverage High 2021–2026
57 °F