Foss Reservoir Weather Forecast
- 70
- 84
Slight Chance Thunderstorms
- 71
- 85
Slight Chance Thunderstorms
- 72
- 88
Mostly Sunny
- 75
- 90
Mostly Sunny
- 76
- 93
Mostly Sunny
- 75
- 95
Mostly Sunny
Today 16 Jul Custer
Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent.
Tonight 16 Jul Custer
Mostly clear with a slight chance of Showers and Thunderstorms. Lows in the upper 60s. South Winds 10 to 15 Mph. Chance of rain 20 percent.
Foss Reservoir Temperature Statistics
July Temperature
Elk City Regional Business Airport (13 miles)
Lowest 6 July, 2026
63.9 °FAverage July
83.6 °FHighest 9 July, 2026
102.2 °F
Climate (2021–2026)
Elk City Regional Business Airport (13 miles)
Average Low 2021–2026
49.7 °FAverage 2021–2026
61.5 °FAverage High 2021–2026
74.5 °F