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Sites, CA Weather Forecast
Sites, CA Weather Forecast Date: 1132 AM PDT Wed Oct 21 2026
The area/counties/county of: Central Colusa County Incl. I, including the city of Williams.or toggle through each period.
Today... Mostly cloudy. A chance of rain in the morning, then a chance of rain showers early in the afternoon. A slight chance of thunderstorms in the afternoon. A slight chance of rain showers late in the afternoon. Highs around 72. Light winds becoming northeast around 10 mph in the afternoon.
Tonight... Rain likely. Lows around 55. Light winds.
Thursday... Mostly cloudy with a chance of rain. Highs around 68. Southeast winds up to 10 mph.
Thursday Night... Mostly cloudy. A chance of rain in the evening. Lows around 53. Light winds.
Friday... Mostly cloudy in the morning then clearing. Highs around 72. North winds up to 15 mph. Gusts up to 25 mph in the afternoon.
Friday Night... Clear. Lows 45 to 51.
Saturday... Sunny. Highs around 74.
Saturday Night... Clear. Lows 42 to 48.
Sunday... Mostly clear. Highs around 73. Lows 42 to 48.
Monday... Mostly clear. Highs around 73. Lows 42 to 48.
POP = Probability of Precipitation
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