South Union, KY Weather Forecast | 5 Day

Updated: Thu Sep 10th 2026 2:00 PM CDT

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South Union, KY Weather Forecast - 9-10-26 - Overcast

Overcast

Thu 9-10-26

Overcast with a high of 94°F and a low of 75°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 12.8mph at 3 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 84% at 11 PM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 3 PM, a lowest point of 29.9inHg at 4 PM with an avg 29.93inHg.

    • HI: 94°F
    • LO: 75°F
    • Rainfall: 17% | est. 0in
    • Snowfall: 0%
    • Wind
      12.3 mph
    • Humidity
      70% avg.
    • UV Index
      5.2
    • Air Quality
      Good
    • Sunrise
      06:24 AM
    • Sunset
      07:02 PM
    • Moonrise
      05:31 AM
    • Moonset
      06:40 PM
    • Moon Phase
      New Moon
South Union, KY Weather Forecast - 9-11-26 - Overcast

Overcast

Weather Tomorrow, Fri 9-11-26

Overcast with a high of 83°F and a low of 70°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.29in. Winds will be light at 7mph and gusts of 15.7mph at 10 PM. High humidity with average of 86% is anticipated, the maximum being 98% at 2 AM and 61% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 9 AM, a lowest point of 29.88inHg at 6 PM with an avg 29.94inHg.

    • HI: 83°F
    • LO: 70°F
    • Rainfall: 87% | est. 0.29in
    • Snowfall: 0%
    • Wind
      6.5 mph
    • Humidity
      86% avg.
    • UV Index
      5
    • Air Quality
      Good
    • Sunrise
      06:25 AM
    • Sunset
      07:00 PM
    • Moonrise
      06:45 AM
    • Moonset
      07:08 PM
    • Moon Phase
      New Moon
South Union, KY Weather Forecast - 9-12-26 - Mist

Mist

Sat 9-12-26

Mist with a high of 88°F and a low of 70°F. It will likey rain, having a 81% chance of a downpour with an estimated 0.36in. Winds will be light at 9mph and gusts of 20.6mph at 10 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 96% at 5 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 10 AM, a lowest point of 29.9inHg at 7 PM with an avg 29.94inHg.

    • HI: 88°F
    • LO: 70°F
    • Rainfall: 81% | est. 0.36in
    • Snowfall: 0%
    • Wind
      8.9 mph
    • Humidity
      79% avg.
    • UV Index
      7.7
    • Air Quality
      Good
    • Sunrise
      06:26 AM
    • Sunset
      06:59 PM
    • Moonrise
      07:57 AM
    • Moonset
      07:35 PM
    • Moon Phase
      New Moon
South Union, KY Weather Forecast - 9-13-26 - Overcast

Overcast

Sun 9-13-26

Overcast with a high of 89°F and a low of 72°F. Rainfall expected to have a 75% chance with an estimated 0.26in. Winds will be light at 10mph and gusts of 18.6mph at 10 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 97% at 5 AM and 48% being its lowest at 3 PM. Barometric pressure is its highest of 30.04inHg at 10 AM, a lowest point of 29.96inHg at 5 PM with an avg 30inHg.

    • HI: 89°F
    • LO: 72°F
    • Rainfall: 75% | est. 0.26in
    • Snowfall: 0%
    • Wind
      9.8 mph
    • Humidity
      76% avg.
    • UV Index
      7.7
    • Air Quality
      Good
    • Sunrise
      06:27 AM
    • Sunset
      06:57 PM
    • Moonrise
      09:08 AM
    • Moonset
      08:05 PM
    • Moon Phase
      Waxing Crescent
South Union, KY Weather Forecast - 9-14-26 - Sunny

Sunny

Mon 9-14-26

Sunny with a high of 94°F and a low of 73°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 8mph and gusts of 19.2mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 94% at 4 AM and 37% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 10 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.03inHg.

    • HI: 94°F
    • LO: 73°F
    • Rainfall: 4%
    • Snowfall: 0%
    • Wind
      7.6 mph
    • Humidity
      62% avg.
    • UV Index
      8
    • Air Quality
      Good
    • Sunrise
      06:28 AM
    • Sunset
      06:56 PM
    • Moonrise
      10:19 AM
    • Moonset
      08:37 PM
    • Moon Phase
      Waxing Crescent
South Union, KY Weather Forecast - 9-15-26 - Sunny

Sunny

Tue 9-15-26

Sunny with a high of 94°F and a low of 75°F. Rainfall expected to have a 57% chance with an estimated 0.11in. Winds will be light at 9mph and gusts of 22.4mph at 12 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 85% at 11 PM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 30.13inHg at 10 AM, a lowest point of 30.02inHg at 12 AM with an avg 30.08inHg.

    • HI: 94°F
    • LO: 75°F
    • Rainfall: 57% | est. 0.11in
    • Snowfall: 0%
    • Wind
      8.5 mph
    • Humidity
      63% avg.
    • UV Index
      8
    • Air Quality
      TBA
    • Sunrise
      06:28 AM
    • Sunset
      06:54 PM
    • Moonrise
      11:28 AM
    • Moonset
      09:14 PM
    • Moon Phase
      Waxing Crescent

This 5-Day weather forecast is valid for ZIP code 42283, accurately covering the area of South Union, KY.