Weather WorldLos Banos Reservoir, CA Weather Forecast
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Los Banos Reservoir Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy |
| Hi: 97°FHi: 36°C | Lo: 72°FLo: 22°C | Hi: 94°FHi: 34°C | Lo: 69°FLo: 21°C | Hi: 93°FHi: 34°C | Hi: 93°FHi: 34°C Lo: 69°FLo: 21°C | Hi: 93°FHi: 34°C Lo: 69°FLo: 21°C | Hi: 92°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 92°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 93°FHi: 34°C Lo: 68°FLo: 20°C | Hi: 93°FHi: 34°C Lo: 68°FLo: 20°C | Hi: 93°FHi: 34°C Lo: 69°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Thu Aug 20 2026 
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Los Banos Reservoir Forecast Discussion
Issued: 412 AM PDT Thu Aug 20 2026
Key Messages
1. Warmup continues Thursday before trending back to seasonal averages.
2. Monsoonal moisture brings 5 to 15 percent chance of thunderstorms over the Sierra Nevada beginning Friday.
3. Slight risk of extreme heat next week.
Discussion
... Region-wide temperatures continue to trend upward. All climate sites reported average to above average temperatures today, with Fresno reaching triple digits. As for tomorrow, the National Blend of Models (NBM) shows high t...