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      Elev 62 ft, 37.774 °N 121.538 °W

      Mountain House, CA

      Updated: 6:13 AM PDT on September 17, 2026 (GMT -7)
      8 minutes ago
      80°
      58°
      56
      Feels Like 56
      Fair
      N
      8
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 09/18
        High 80°f
        2% Precip. / 0 in
        Some clouds this morning will give way to generally sunny skies for the afternoon. High around 80F. Winds W at 10 to 15 mph.
        Tonight
        Fri 09/18
        Low 56°f
        7% Precip. / 0 in
        Clear skies. Low 56F. Winds WSW at 10 to 15 mph.
        Tomorrow
        Sat 09/19
        High 87°f58°f
        7% Precip. / 0 in
        Sunny skies. High 87F. Winds WNW at 10 to 15 mph.
        Hourly Forecast
        Now
        60°
        6:50AM
        Sunrise
        7AM
        59°
        8AM
        61°
        9AM
        65°
        10AM
        66°
        11AM
        69°
        12PM
        72°
        1PM
        74°
        2PM
        76°
        3PM
        78°
        4PM
        78°
        5PM
        78°
        6PM
        76°
        7PM
        73°
        7:10PM
        Sunset
        8PM
        69°
        9PM
        66°
        10PM
        65°
        11PM
        63°
        12AM
        63°
        1AM
        61°
        2AM
        61°
        3AM
        60°
        4AM
        59°
        5AM
        58°
        6AM
        57°
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point51°F
        5. Humidity 71%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KTCY Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 89°F 99°F 2025
        4. Low 58°F 60°F 47°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 89°F 99°F
        4. Low 58°F 60°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:49 AM 7:10 PM
        3. Civil Twilight 6:23 AM 7:36 PM
        4. Nautical Twilight 5:52 AM 8:07PM
        5. Astronomical Twilight 5:21 AM 8:38 PM
        1. Length of Visible Light 13h 13m
        2. Length of Day 12h 20m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 1:42 PM 10:48 PM
        2. Waxing Crescent40% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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