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Mc Millan, CA Weather Forecast
Mc Millan, CA Weather Forecast Date: 202 PM PDT Thu Sep 17 2026
The area/counties/county of: Southern Salinas Valley, including: Atascadero, Lake Nacimiento, Paso Robles, San Miguel, and Templeton.or toggle through each period.
Tonight... Mostly clear. Lows around 50.
Friday... Mostly cloudy in the morning then sunny. Highs in the 80s.
Friday Night... Clear. Lows in the upper 40s to mid 50s.
Saturday... Sunny. Highs in the mid 80s to lower 90s.
Saturday Night... Partly cloudy in the evening then areas of low clouds and fog. Lows in the lower to mid 50s.
Sunday... Low clouds and fog in the morning then mostly cloudy. Highs in the upper 70s and 80s.
Sunday Night... Partly cloudy. Lows in the lower 50s.
Monday... Partly cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.
Monday Night... Mostly clear. Lows in the lower 50s.
Tuesday... Partly cloudy in the morning then sunny. Highs in the mid 80s to lower 90s.
Tuesday Night... Mostly clear. Lows in the mid 50s.
Wednesday... Sunny. Highs in the upper 80s to mid 90s.
Wednesday Night... Clear. Lows in the mid 50s.
POP = Probability of Precipitation
Mc Millan Radar Loop
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