Grand Coulee, Washington

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Superior

Grand Coulee

Forecasters

Microsoft

*Based on accuracy data from Omak, the nearest location with data.

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Average change in

Temperature

Average change in high temperature day-to-day

Last 12 months:

4.4°F

Average change in low temperature day-to-day

Last 12 months:

5.5°F

Average change in

Precipitation

Chance of dry day after a precip day

Last 12 months:

58%

Chance of precip day after a dry day

Last 12 months:

15%

Did You

Know?

The best forecasters predict Grand Coulee's high temperature within 3°F about 84% of the time.