Siskiyou County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across Siskiyou County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 45. North wind 5 to 16 mph, with gusts as high as 24 mph.
County Weather Overview
This county weather page brings together forecast coverage for Siskiyou County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Siskiyou County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 8:06 AM PDT
- Forecast office
- MFR
- Source
- NOAA / NWS
Daily Outlook
This Week in Siskiyou County
Saturday looks like the warmest upcoming period in Siskiyou County at 65 degrees F.
Tonight is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Today at about 5 to 16 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:06 AM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- MFR
- Radar station
- KMAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 27. North northwest wind 2 to 14 mph, with gusts as high as 21 mph.
Sunny, with a high near 57. North northeast wind 2 to 6 mph.
Partly cloudy, with a low around 35. South southeast wind around 6 mph.
Mostly sunny, with a high near 65. South southeast wind 3 to 13 mph, with gusts as high as 20 mph.
A slight chance of rain after 5am. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
A chance of rain. Mostly cloudy, with a high near 57. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain. Mostly cloudy, with a low around 41. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain. Partly sunny, with a high near 51. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 38.
A chance of rain and snow. Partly sunny, with a high near 51.
A chance of rain before 11pm. Mostly cloudy, with a low around 37.
A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 51.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 16
|
Sunny
|
45°F |
5 to 16 mph
N
|
|
Tonight
Apr 16
|
Clear
|
27°F |
2 to 14 mph
NNW
|
|
Friday
Apr 17
|
Sunny
|
57°F |
2 to 6 mph
NNE
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
35°F |
6 mph
SSE
|
|
Saturday
Apr 18
|
Mostly Sunny
|
65°F |
3 to 13 mph
SSE
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Slight Chance Light Rain
|
43°F |
8 to 13 mph
S
|
|
Sunday
Apr 19
|
Chance Light Rain
|
57°F |
8 to 15 mph
SSE
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
41°F |
6 to 13 mph
S
|
|
Monday
Apr 20
|
Chance Light Rain
|
51°F |
6 to 10 mph
SSE
|
|
Monday Night
Apr 20
|
Chance Light Rain then Slight Chance Rain And Snow
|
38°F |
5 to 10 mph
S
|
|
Tuesday
Apr 21
|
Chance Rain And Snow
|
51°F |
5 to 9 mph
SSW
|
|
Tuesday Night
Apr 21
|
Chance Light Rain then Mostly Cloudy
|
37°F |
5 to 9 mph
W
|
|
Wednesday
Apr 22
|
Slight Chance Light Rain
|
51°F |
5 to 10 mph
NW
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
35°F |
3 to 10 mph
N
|
Major City Forecasts
Live forecast snapshots for major cities across Siskiyou County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Siskiyou County.
Largest mapped city population in this region: 7,503.
