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Castle Lake, UT Weather Forecast
Castle Lake, UT Weather Forecast Date: 1241 AM MDT Mon Oct 19 2026
The area/counties/county of: Western Uinta Mountains, including: Mirror Lake Highway and Moon Lake.or toggle through each period.
Today... Sunny in the morning, then partly sunny with a 20% chance of rain in the afternoon. Highs in the lower 50s.
Tonight... Partly cloudy. Lows in the mid 30s.
Tuesday... Partly cloudy in the morning, then partly sunny with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of precipitation 30%.
Tuesday Night... Partly cloudy. Lows in the mid 30s.
Wednesday... A chance of rain in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Partly cloudy. Highs in the lower 50s. Chance of precipitation 60%.
Wednesday Night... Mostly cloudy with rain showers and a slight chance of thunderstorms. Lows around 40. Chance of precipitation 90%.
Thursday... Rain showers. Highs in the upper 40s. Chance of showers near 100%.
Thursday Night... Rain and snow showers and a chance of thunderstorms in the evening, then snow showers and rain showers after midnight. Lows around 30. Chance of precipitation near 100%.
Friday... Snow and rain in the morning, then snow showers likely in the afternoon. Highs around 40. Chance of precipitation near 100%.
Friday Night... Mostly cloudy with a 50% chance of snow. Lows in the lower 20s.
Saturday... Partly cloudy. Highs around 40. Lows in the mid 20s.
Saturday Night... Partly cloudy. Highs around 40. Lows in the mid 20s.
POP = Probability of Precipitation
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