Tennant Weather Forecast
- 36
- 68
Increasing Clouds
- 38
- 61
Chance Rain
- 37
- 57
Rain Showers Likely
- 26
- 48
Rain
- 23
- 45
Snow Likely
- 30
- 57
Mostly Sunny
Today 29 Mar North Central and Southeast Siskiyou County
Partly cloudy until early afternoon then clearing. Highs in the lower 60s to lower 70s. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph shifting to the west with Gusts to around 30 Mph late this afternoon.
Tonight 29 Mar North Central and Southeast Siskiyou County
Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s to lower 40s. West Winds 10 to 15 Mph with Gusts to around 30 Mph decreasing to around 5 Mph after midnight.
Tennant Temperature Statistics
March Temperature
Mount Shasta (28 miles)
Lowest 11 March, 2026
28.7 °FAverage March
51.5 °FHighest 17 March, 2026
83.6 °F
Climate (2021–Present)
Mount Shasta (28 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
52.7 °FAverage High 2021–2026
66 °F