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      Elev 568 ft, 39.759 °N 89.530 °W

      Rochester, IL

      Rochester Station67°
      Updated: 4:42 PM CDT on September 21, 2026 (GMT -5)
      8 minutes ago
      68°
      61°
      67
      Feels Like 67
      Cloudy
      N
      8
      Similar 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
        Mon 09/21
        Low 58°f
         19% Precip. / 0 in
        Cloudy. Low 58F. Winds NE at 5 to 10 mph.
        Tomorrow
        Tue 09/22
        High 68°f
         20% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 68F. Winds NE at 10 to 15 mph.
        Tomorrow night
        Tue 09/22
        Low 56°f
         5% Precip. / 0 in
        Partly cloudy during the evening followed by cloudy skies overnight. Low 56F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        66°
        5PM
        66°
        6PM
        65°
        6:56PM
        Sunset
        7PM
        65°
        8PM
        64°
        9PM
        63°
        10PM
        63°
        11PM
        62°
        12AM
        62°
        1AM
        62°
        2AM
        62°
        3AM
        61°
        4AM
        61°
        5AM
        60°
        6AM
        60°
        6:46AM
        Sunrise
        7AM
        59°
        8AM
        60°
        9AM
        61°
        10AM
        62°
        11AM
        63°
        12PM
        64°
        1PM
        65°
        2PM
        67°
        3PM
        67°
        4PM
        67°
        Precipitation
        20%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        23
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point61°F
        5. Humidity 85%
        6. Rainfall 0.38 in
        7. Snow Depth 0 in
         KSPI Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 79°F 96°F 1931
        4. Low 61°F 54°F 36°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 78°F 96°F
        4. Low 61°F 53°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 6:56 PM
        3. Civil Twilight 6:18 AM 7:23 PM
        4. Nautical Twilight 5:46 AM 7:55PM
        5. Astronomical Twilight 5:14 AM 8:27 PM
        1. Length of Visible Light 13h 5m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 4:34 PM 1:17 AM
        2. Waxing Gibbous77% 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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