Fairchild Reservoir Weather Forecast

    • 36
    • 48

    Snow Showers Likely

    • 41
    • 48

    Rain Showers Likely

    • 37
    • 47

    Rain Showers

    • 32
    • 43

    Snow Showers

    • 35
    • 49

    Slight Chance Rain Showers

    • 40
    • 56

    Mostly Sunny

Today 30 Mar Upper Weiser River

Numerous rain Showers. Chance of rain 60 percent. Cooler with Highs 49 to 54. North Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 30 Mar Upper Weiser River

Mostly cloudy. A chance of rain and snow Showers in the Evening, then a chance of snow Showers after midnight. Chance of precipitation 30 percent. Lows 31 to 36. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairchild Reservoir Temperature Statistics

March Temperature

Ontario Municipal Airport (31.7 miles)

  • Lowest 27 March, 2026

    23.6 °F

  • Average March

    47.7 °F

  • Highest 20 March, 2026

    80.7 °F

Climate (2021–Present)

Ontario Municipal Airport (31.7 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    67.3 °F
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