Etna High School, CA Weather Forecast
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Etna High School Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Partly Cloudy | Partly Cloudy | Clearing | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 53°FLo: 12°C | Hi: 86°FHi: 30°C | Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C | Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 239 PM PDT Sat Sep 19 2026 

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Issued: 230 AM PDT Sun Sep 20 2026
Key Messages
- Low impact weather today and through much of the week with dry conditions and seasonable temperatures.
- High temperatures peak today at around 5-10 degrees above normal, trending cooler through the week.
- Cooler and potentially wetter weather expected for the weekend. High temperatures around 5-10 degrees below normal. Best chances for precip currently along/west of the Cascades and north of OR/CA border.
Discussion
...Another quiet morning weatherwise. Skies are mostly clear for inland ...
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