Kern National Wildlife Refuge Weather Forecast
- 65
- 82
Rain Showers Likely
- 65
- 83
Chance Rain Showers
- 64
- 87
Mostly Sunny
- 64
- 88
Mostly Sunny
- 68
- 90
Partly Sunny
- 63
- 88
Slight Chance Rain
Today 18 Sep Buttonwillow - Lost Hills - I5
Not as warm. Slight chance of Thunderstorms in the morning. Showers likely through the day. Slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 80s. South Winds up to 10 Mph shifting to the north in the afternoon. Chance of precipitation 70 percent.
Tonight 18 Sep Buttonwillow - Lost Hills - I5
Showers likely and slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the mid 60s. Northwest Winds up to 5 Mph. Chance of precipitation 70 percent.
Kern National Wildlife Refuge Temperature Statistics
September Temperature
Porterville, Porterville Municipal Airport (36 miles)
Lowest 9 September, 2025
57.9 °FAverage September
77.6 °FHighest 1 September, 2025
102.9 °F
Climate (2020–Present)
Porterville, Porterville Municipal Airport (36 miles)
Average Low 2020–2025
51.4 °FAverage 2020–2025
64.9 °FAverage High 2020–2025
79.3 °F