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      Elev 1503 ft, 33.159 °N 111.553 °W

      San Tan Valley, AZ

      Johnson Ranch Station95°
      Updated: 3:44 PM MST on September 23, 2026 (GMT -7)
      5 minutes ago
      94°
      73°
      95
      Feels Like 96
      Partly Cloudy
      N
      9
      Similar temperature is expected tomorrow
      Wundermap
      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
        Tonight
        Thu 09/24
        Low 73°f
         92% Precip. / 0.26 in
        Scattered thunderstorms during the evening. Cloudy skies after midnight. Low 73F. Winds E at 10 to 15 mph. Chance of rain 90%.
        Tomorrow
        Fri 09/25
        High 92°f
         15% Precip. / 0 in
        Partly cloudy skies. A stray shower or thunderstorm is possible. High 92F. Winds ESE at 5 to 10 mph.
        Tomorrow night
        Fri 09/25
        Low 73°f
         15% Precip. / 0 in
        Some clouds early will give way to generally clear conditions overnight. A stray shower or thunderstorm is possible. Low 73F. Winds E at 10 to 15 mph.
        Hourly Forecast
        Now
        93°
        4PM
        93°
        5PM
        92°
        6PM
        90°
        6:21PM
        Sunset
        7PM
        87°
        8PM
        59%
        75°
        9PM
        92%
        74°
        10PM
        78%
        79°
        11PM
        79°
        12AM
        34%
        78°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        76°
        5AM
        76°
        6AM
        75°
        6:15AM
        Sunrise
        7AM
        75°
        8AM
        77°
        9AM
        81°
        10AM
        84°
        11AM
        87°
        12PM
        88°
        1PM
        87°
        2PM
        89°
        3PM
        91°
        Precipitation
        92%
        Rain possible after 8 PM
        Pollen
        None
        Air Quality
        35
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.74 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point57°F
        5. Humidity 31%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KIWA Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 94°F 96°F 107°F 1979
        4. Low 73°F 69°F 48°F 1941
        5. Rain/Snow Depth
        6. Precipitation 0.26 in - in -
        7. Snow 0 in - in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 95°F 105°F
        4. Low 73°F 69°F 47°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:15 AM 6:21 PM
        3. Civil Twilight 5:50 AM 6:46 PM
        4. Nautical Twilight 5:21 AM 7:14PM
        5. Astronomical Twilight 4:52 AM 7:43 PM
        1. Length of Visible Light 12h 55m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 2 seconds shorter
        1. Moon 4:49 PM 3:10 AM
        2. Waxing Gibbous92% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
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