Grinnell Lake Weather Forecast
- 13
- 37
Slight Chance Thunderstorms
- 12
- 31
Breezy
- 19
- 41
Mostly Sunny
- 20
- 42
Mostly Sunny
- 22
- 43
Mostly Sunny
- 21
- 44
Partly Sunny
- 20
- 42
Partly Sunny
Today 17 Apr Upper San Joaquin River
Mostly sunny. Chance of rain Showers, snow Showers and slight chance of Thunderstorms in the late morning and afternoon. Highs 35 to 49. West Winds up to 15 Mph with Gusts to around 35 Mph. Chance of precipitation 30 percent.
Tonight 17 Apr Upper San Joaquin River
Colder. Mostly cloudy early in the evening then clearing. Lows 17 to 31. Northwest Winds up to 10 Mph with Gusts to around 30 Mph.