Mammoth, California Weather
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Weather Forecast for Mammoth, California : Modoc County
Issued: 2:57 am PDT Oct 18, 2025 Latitude: 41.7304379 Longitude: -121.3549878 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of rain on Friday
High: 71°F Low: 41°F High: 63°F High: 65°F High: 68°F High: 67°F High: 65°F High: 59°F
Low: 27°F Low: 34°F Low: 37°F Low: 39°F Low: 41°F  
Sunny Mostly Clear Sunny Sunny Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
KLAMATH FALLS - (KLMT)
30°
Mostly Clear
as of 3:53 AM PDST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 9 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 100ft
Current Conditions at
ALTURAS - (KAAT)
30°
Clear
as of 3:55 AM PDST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MT SHASTA - (KMHS)
39°
Clear
as of 3:56 AM PDST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MEDFORD - (KMFR)
46°
Clear
as of 3:53 AM PDST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 71. Light and variable wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 41. Light and variable wind becoming south southeast 5 to 10 mph after midnight.
Sunny on Sunday Sunday... Sunny, with a high near 63. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 27. West northwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Sunny on Monday Monday... Sunny, with a high near 65. Calm wind becoming east northeast around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 34.
Sunny on Tuesday Tuesday... Sunny, with a high near 68.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 37.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 67.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 39.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 65.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 41.
20% chance of rain Friday Friday... A chance of rain. Partly sunny, with a high near 59.
Current Radar Image


Sun Almanac for Mammoth, California
Sunrise: 07:22 AM
Sunset: 6:19 PM
Civil Sunrise:06:54 AM
Civil Sunset: 6:47 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 7:20 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 7:52 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.