Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Boulder, Wyoming

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

5.3°

Last Year:

5.0°

Average change in low temperature day-to-day

Last Month:

7.2°

Last Year:

6.8°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

42%

Last Year:

61%

Chance of precip day after a dry day

Last Month:

28%

Last Year:

11%

ForecastAdvisor Fact

3.5% of Weatherbit's low temperature forecasts for Boulder were off by more than 10 degrees last year.

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