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      Elev 1148 ft, 33.424 °N 111.946 °W

      Tempe, AZ

      Riverside Station97°
      Updated: 6:24 PM MST on September 21, 2026 (GMT -7)
      8 minutes ago
      100°
      80°
      97
      Feels Like 95
      Partly Cloudy
      N
      7
      Same temperature is expected tomorrow
      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
        Tue 09/22
        Low 78°f
         1% Precip. / 0 in
        Partly cloudy skies. Low 78F. Winds WSW at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 99°f
         1% Precip. / 0 in
        Sunshine and clouds mixed. High 99F. Winds SE at 10 to 15 mph.
        Tomorrow night
        Wed 09/23
        Low 82°f
         0% Precip. / 0 in
        A few clouds from time to time. Low 82F. Winds ESE at 5 to 10 mph.
        Hourly Forecast
        Now
        97°
        6:25PM
        Sunset
        7PM
        96°
        8PM
        95°
        9PM
        92°
        10PM
        90°
        11PM
        88°
        12AM
        86°
        1AM
        85°
        2AM
        84°
        3AM
        82°
        4AM
        81°
        5AM
        80°
        6AM
        79°
        6:16AM
        Sunrise
        7AM
        80°
        8AM
        83°
        9AM
        86°
        10AM
        89°
        11AM
        91°
        12PM
        94°
        1PM
        96°
        2PM
        97°
        3PM
        98°
        4PM
        98°
        5PM
        96°
        6PM
        95°
        Precipitation
        1%
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.68 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point53°F
        5. Humidity 23%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPHX Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 99°F 108°F 2003
        4. Low 80°F 67°F 49°F 1965
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 99°F 108°F
        4. Low 80°F 67°F 48°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:16 AM 6:24 PM
        3. Civil Twilight 5:51 AM 6:49 PM
        4. Nautical Twilight 5:22 AM 7:17PM
        5. Astronomical Twilight 4:53 AM 7:47 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 12h 8m
        3. Tomorrow will be 2 minutes 4 seconds shorter
        1. Moon 4:21 PM 2:10 AM
        2. Waxing Gibbous85% 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
        Precipitation
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