| National Weather Service Forecast for:
Alturas CA Issued by: National Weather Service Medford, OR |
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| Updated: 11:26 pm PDT Aug 19, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 51. Calm wind. |
| Thursday |
Mostly sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. |
| Thursday Night |
Cloudy, then gradually becoming partly cloudy, with a low around 52. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph. |
| Friday |
Mostly cloudy, with a high near 92. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph. |
| Friday Night |
Partly cloudy, with a low around 50. West southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 25 mph. |
| Saturday |
Sunny, with a high near 88. |
| Saturday Night |
Mostly clear, with a low around 43. |
| Sunday |
Sunny, with a high near 88. |
| Sunday Night |
Mostly clear, with a low around 46. |
| Monday |
Sunny, with a high near 89. |
| Monday Night |
Mostly clear, with a low around 46. |
| Tuesday |
Sunny, with a high near 88. |
| Tuesday Night |
Mostly clear, with a low around 46. |
| Wednesday |
Sunny, with a high near 87. |
Forecast from NOAA-NWS for Alturas CA.
