Greenhorn Park Weather Forecast
- 62
- 87
Chance Thunderstorms
- 61
- 86
Slight Chance Thunderstorms
- 61
- 86
Mostly Sunny
- 58
- 81
Slight Chance Thunderstorms
- 57
- 79
Mostly Sunny
- 60
- 84
Mostly Sunny
Today 31 Jul Central Siskiyou County
Partly cloudy early this Morning, then chance of Showers in the late morning and early afternoon. Mostly cloudy with a chance of Thunderstorms late this afternoon. Highs in the lower 80s to lower 90s. South Winds around 5 Mph shifting to the north in the late morning and early Afternoon, then shifting to the west late this afternoon. Chance of precipitation 30 percent.
Tonight 31 Jul Central Siskiyou County
Mostly cloudy with a 30 percent chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 50s to lower 60s. Northwest Winds 5 to 10 Mph shifting to the south late in the Evening, then shifting to the north after midnight.
Greenhorn Park Temperature Statistics
July Temperature
Montague Siskiyou County Airport (10.6 miles)
Lowest 4 July, 2025
49.6 °FAverage July
75.6 °FHighest 13 July, 2025
105.7 °F
Climate (2020–Present)
Montague Siskiyou County Airport (10.6 miles)
Average Low 2020–2025
39.7 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
69.1 °F