Log In
    Favorites
        Member Settings
      Freeze Warning
      until 9:00 AM PDT
      +1 more alert
      Elev 3600 ft, 41.313 °N 122.309 °W

      Mount Shasta, CA

      Downtown Mt Shasta Station59°
      Thu, Oct 15, 2026
      Thursday
      Fri 10/16
      High 79°f
      0% Precip. / 0 in
      Sunny skies. High 79F. Winds light and variable.
      Thursday night
      Fri 10/16
      Low 44°f
      0% Precip. / 0 in
      A mostly clear sky. Low 44F. Winds light and variable.
      Sunrise 7:21 AM
      Sunset 6:28 PM
      Moonrise 12:44 PM
      Moonset 9:19 PM
      Waxing Crescent, 24% visible
      Hourly Forecast
      12AM
      46°
      1AM
      45°
      2AM
      44°
      3AM
      44°
      4AM
      43°
      5AM
      43°
      6AM
      42°
      7AM
      42°
      7:21AM
      Sunrise
      8AM
      43°
      9AM
      51°
      10AM
      61°
      11AM
      67°
      12PM
      71°
      1PM
      74°
      2PM
      77°
      3PM
      77°
      4PM
      77°
      5PM
      75°
      6PM
      73°
      6:28PM
      Sunset
      7PM
      66°
      8PM
      60°
      9PM
      57°
      10PM
      54°
      11PM
      52°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 46°F 46°F 0% 0in 1% 33°F 60% 1 mph N 30.22in
      1:00 am
      Clear
      		 45°F 45°F 0% 0in 1% 33°F 63% 1 mph N 30.23in
      2:00 am
      Clear
      		 44°F 44°F 0% 0in 1% 33°F 64% 1 mph N 30.24in
      3:00 am
      Clear
      		 44°F 44°F 0% 0in 1% 33°F 64% 1 mph N 30.24in
      4:00 am
      Clear
      		 43°F 43°F 0% 0in 1% 33°F 66% 1 mph NNE 30.24in
      5:00 am
      Clear
      		 43°F 43°F 0% 0in 1% 32°F 66% 1 mph N 30.25in
      6:00 am
      Clear
      		 42°F 42°F 0% 0in 1% 32°F 67% 1 mph N 30.26in
      7:00 am
      Clear
      		 42°F 42°F 0% 0in 1% 32°F 68% 1 mph N 30.27in
      8:00 am
      Sunny
      		 43°F 43°F 0% 0in 2% 33°F 68% 1 mph NNE 30.27in
      9:00 am
      Sunny
      		 51°F 51°F 0% 0in 2% 36°F 56% 1 mph NE 30.27in
      10:00 am
      Sunny
      		 61°F 61°F 0% 0in 2% 37°F 41% 2 mph NE 30.25in
      11:00 am
      Sunny
      		 67°F 67°F 0% 0in 2% 36°F 32% 2 mph ENE 30.24in
      12:00 pm
      Sunny
      		 71°F 71°F 0% 0in 2% 36°F 27% 2 mph ESE 30.21in
      1:00 pm
      Sunny
      		 74°F 74°F 0% 0in 2% 35°F 24% 2 mph E 30.19in
      2:00 pm
      Sunny
      		 77°F 77°F 0% 0in 3% 34°F 22% 3 mph ESE 30.17in
      3:00 pm
      Sunny
      		 77°F 77°F 0% 0in 3% 34°F 21% 2 mph ESE 30.15in
      4:00 pm
      Sunny
      		 77°F 77°F 0% 0in 3% 34°F 21% 2 mph ESE 30.14in
      5:00 pm
      Sunny
      		 75°F 75°F 0% 0in 3% 34°F 22% 1 mph E 30.14in
      6:00 pm
      Sunny
      		 73°F 73°F 0% 0in 3% 35°F 25% 1 mph E 30.16in
      7:00 pm
      Clear
      		 66°F 66°F 0% 0in 2% 36°F 33% 1 mph NE 30.18in
      8:00 pm
      Clear
      		 60°F 60°F 0% 0in 2% 36°F 40% 1 mph NNE 30.2in
      9:00 pm
      Clear
      		 57°F 57°F 0% 0in 1% 34°F 43% 1 mph NNE 30.21in
      10:00 pm
      Clear
      		 54°F 54°F 0% 0in 1% 33°F 45% 1 mph NNE 30.23in
      11:00 pm
      Clear
      		 52°F 52°F 0% 0in 1% 32°F 47% 1 mph NE 30.24in
      Additional Conditions
      1. Pressure 29.68 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point22°F
      5. Humidity 26%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KSIY Station History
      Almanac for October 10, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 58°F 68°F 87°F 1991
      4. Low 36°F 39°F 27°F 2019
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for October 11, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 59°F 67°F 87°F
      4. Low 31°F 39°F 27°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:15 AM 6:35 PM
      3. Civil Twilight 6:48 AM 7:03 PM
      4. Nautical Twilight 6:16 AM 7:35PM
      5. Astronomical Twilight 5:44 AM 8:07 PM
      1. Length of Visible Light 12h 15m
      2. Length of Day 11h 20m
      3. Tomorrow will be 2 minutes 42 seconds shorter
      1. Moon 7:24 AM 6:21 PM
      2. New0% of the Moon is Illuminated
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary