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Flatonia, TX Weather Forecast | 5 Day

Updated: Fri Sep 18th 2026 6:30 PM CDT

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Flatonia, TX Weather Forecast - 9-18-26 - Sunny

Sunny

Fri 9-18-26

Sunny with a high of 97°F and a low of 77°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 16mph on average and gusts of 23.3mph at 10 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 59% at 11 PM and 43% being its lowest at 7 PM. Barometric pressure is its highest of 30.01inHg at 10 PM, a lowest point of 29.96inHg at 7 PM with an avg 29.99inHg.

    • HI: 97°F
    • LO: 77°F
    • Rainfall: 6%
    • Snowfall: 0%
    • Wind
      15.9 mph
    • Humidity
      61% avg.
    • UV Index
      8.7
    • Air Quality
      Good
    • Sunrise
      07:14 AM
    • Sunset
      07:30 PM
    • Moonrise
      02:49 PM
    • Moonset
      Does not set today
    • Moon Phase
      First Quarter
Flatonia, TX Weather Forecast - 9-19-26 - Sunny

Sunny

Weather Tomorrow, Sat 9-19-26

Sunny with a high of 97°F and a low of 74°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 13mph on average and gusts of 24.4mph at 10 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 91% at 7 AM and 24% being its lowest at 5 PM. Barometric pressure is its highest of 30inHg at 12 AM, a lowest point of 29.84inHg at 5 PM with an avg 29.94inHg.

    • HI: 97°F
    • LO: 74°F
    • Rainfall: 3%
    • Snowfall: 0%
    • Wind
      12.8 mph
    • Humidity
      59% avg.
    • UV Index
      9.2
    • Air Quality
      Good
    • Sunrise
      07:15 AM
    • Sunset
      07:29 PM
    • Moonrise
      03:36 PM
    • Moonset
      12:48 AM
    • Moon Phase
      First Quarter
Flatonia, TX Weather Forecast - 9-20-26 - Overcast

Overcast

Sun 9-20-26

Overcast with a high of 100°F and a low of 76°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 15mph on average and gusts of 23.3mph at 10 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 93% at 7 AM and 28% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 9 AM, a lowest point of 29.77inHg at 5 PM with an avg 29.87inHg.

    • HI: 100°F
    • LO: 76°F
    • Rainfall: 10%
    • Snowfall: 0%
    • Wind
      14.5 mph
    • Humidity
      63% avg.
    • UV Index
      9
    • Air Quality
      Good
    • Sunrise
      07:15 AM
    • Sunset
      07:27 PM
    • Moonrise
      04:18 PM
    • Moonset
      01:45 AM
    • Moon Phase
      Waxing Gibbous
Flatonia, TX Weather Forecast - 9-21-26 - Sunny

Sunny

Mon 9-21-26

Sunny with a high of 100°F and a low of 76°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 15mph on average and gusts of 26.2mph at 5 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 90% at 7 AM and 27% being its lowest at 5 PM. Barometric pressure is its highest of 29.93inHg at 10 AM, a lowest point of 29.77inHg at 5 PM with an avg 29.86inHg.

    • HI: 100°F
    • LO: 76°F
    • Rainfall: 5%
    • Snowfall: 0%
    • Wind
      15 mph
    • Humidity
      58% avg.
    • UV Index
      9.3
    • Air Quality
      Good
    • Sunrise
      07:16 AM
    • Sunset
      07:26 PM
    • Moonrise
      04:54 PM
    • Moonset
      02:42 AM
    • Moon Phase
      Waxing Gibbous
Flatonia, TX Weather Forecast - 9-22-26 - Sunny

Sunny

Tue 9-22-26

Sunny with a high of 98°F and a low of 76°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 22.4mph at 3 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 92% at 7 AM and 31% being its lowest at 5 PM. Barometric pressure is its highest of 29.97inHg at 11 AM, a lowest point of 29.84inHg at 5 PM with an avg 29.9inHg.

    • HI: 98°F
    • LO: 76°F
    • Rainfall: 17% | est. 0.01in
    • Snowfall: 0%
    • Wind
      12.1 mph
    • Humidity
      62% avg.
    • UV Index
      9
    • Air Quality
      Good
    • Sunrise
      07:16 AM
    • Sunset
      07:25 PM
    • Moonrise
      05:26 PM
    • Moonset
      03:38 AM
    • Moon Phase
      Waxing Gibbous
Flatonia, TX Weather Forecast - 9-23-26 - Partly Cloudy

Partly Cloudy

Wed 9-23-26

Partly Cloudy with a high of 96°F and a low of 75°F. Rainfall expected to have a 59% chance with an estimated 0.14in. Winds will be light at 10mph and gusts of 17.2mph at 10 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 89% at 7 AM and 32% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 10 AM, a lowest point of 29.92inHg at 4 PM with an avg 29.97inHg.

    • HI: 96°F
    • LO: 75°F
    • Rainfall: 59% | est. 0.14in
    • Snowfall: 0%
    • Wind
      9.8 mph
    • Humidity
      60% avg.
    • UV Index
      9
    • Air Quality
      TBA
    • Sunrise
      07:17 AM
    • Sunset
      07:24 PM
    • Moonrise
      05:55 PM
    • Moonset
      04:34 AM
    • Moon Phase
      Waxing Gibbous

This 5-Day weather forecast is valid for ZIP code 78941, accurately covering the area of Flatonia, TX.

Currently

Partly Cloudy 94°F
29.95 inHg.
Barometer
39%
Humidity
ESE 20.2 mph
Wind
Partly Cloudy

National Outlook

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