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Lancaster, OH Weather Forecast | 5 Day

Updated: Sat Sep 19th 2026 7:15 AM EDT

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Lancaster, OH Weather Forecast - 9-19-26 - Sunny

Sunny

Sat 9-19-26

Sunny with a high of 79°F and a low of 61°F. There's a moderate 37% chance of rainfall with an estimated 0.02in. Winds will be light at 9mph and gusts of 16.8mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 83% at 9 PM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 30.1inHg at 9 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.02inHg.

    • HI: 79°F
    • LO: 61°F
    • Rainfall: 37% | est. 0.02in
    • Snowfall: 0%
    • Wind
      8.5 mph
    • Humidity
      74% avg.
    • UV Index
      6.8
    • Air Quality
      Good
    • Sunrise
      07:15 AM
    • Sunset
      07:33 PM
    • Moonrise
      04:10 PM
    • Moonset
      12:13 AM
    • Moon Phase
      First Quarter
Lancaster, OH Weather Forecast - 9-20-26 - Light Rain Shower

Light Rain Shower

Weather Tomorrow, Sun 9-20-26

Light Rain Shower with a high of 76°F and a low of 68°F. It will likey rain, having a 91% chance of a downpour with an estimated 0.49in. Winds will be light at 10mph and gusts of 21mph at 10 PM. High humidity with average of 90% is anticipated, the maximum being 98% at 11 PM and 71% being its lowest at 5 PM. Barometric pressure is its highest of 29.96inHg at 11 AM, a lowest point of 29.89inHg at 6 PM with an avg 29.93inHg.

    • HI: 76°F
    • LO: 68°F
    • Rainfall: 91% | est. 0.49in
    • Snowfall: 0%
    • Wind
      9.8 mph
    • Humidity
      90% avg.
    • UV Index
      3
    • Air Quality
      Good
    • Sunrise
      07:16 AM
    • Sunset
      07:31 PM
    • Moonrise
      04:47 PM
    • Moonset
      01:12 AM
    • Moon Phase
      Waxing Gibbous
Lancaster, OH Weather Forecast - 9-21-26 - Light Rain Shower

Light Rain Shower

Mon 9-21-26

Light Rain Shower with a high of 69°F and a low of 57°F. It will likey rain, having a 92% chance of a downpour with an estimated 0.38in. Wind will be moderate, blowing around 13mph on average and gusts of 23.1mph at 3 AM. High humidity with average of 95% is anticipated, the maximum being 99% at 2 AM and 87% being its lowest at 10 PM. Barometric pressure is its highest of 29.98inHg at 11 AM, a lowest point of 29.89inHg at 3 AM with an avg 29.94inHg.

    • HI: 69°F
    • LO: 57°F
    • Rainfall: 92% | est. 0.38in
    • Snowfall: 0%
    • Wind
      13 mph
    • Humidity
      95% avg.
    • UV Index
      2.3
    • Air Quality
      Good
    • Sunrise
      07:17 AM
    • Sunset
      07:29 PM
    • Moonrise
      05:18 PM
    • Moonset
      02:14 AM
    • Moon Phase
      Waxing Gibbous
Lancaster, OH Weather Forecast - 9-22-26 - Light Rain Shower

Light Rain Shower

Tue 9-22-26

Light Rain Shower with a high of 64°F and a low of 57°F. It will likey rain, having a 92% chance of a downpour with an estimated 0.32in. Winds will be light at 8mph and gusts of 14.4mph at 12 AM. High humidity with average of 94% is anticipated, the maximum being 97% at 1 AM and 88% being its lowest at 2 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 29.97inHg at 4 AM with an avg 30.02inHg.

    • HI: 64°F
    • LO: 57°F
    • Rainfall: 92% | est. 0.32in
    • Snowfall: 0%
    • Wind
      7.2 mph
    • Humidity
      94% avg.
    • UV Index
      4
    • Air Quality
      Good
    • Sunrise
      07:18 AM
    • Sunset
      07:28 PM
    • Moonrise
      05:45 PM
    • Moonset
      03:16 AM
    • Moon Phase
      Waxing Gibbous
Lancaster, OH Weather Forecast - 9-23-26 - Scattered Showers

Scattered Showers

Wed 9-23-26

Scattered Showers with a high of 64°F and a low of 56°F. Rainfall expected to have a 63% chance with an estimated 0.02in. Winds will be light at 9mph and gusts of 13.5mph at 3 AM. High humidity with average of 89% is anticipated, the maximum being 98% at 7 AM and 80% being its lowest at 5 PM. Barometric pressure is its highest of 30.16inHg at 10 AM, a lowest point of 30.04inHg at 2 AM with an avg 30.12inHg.

    • HI: 64°F
    • LO: 56°F
    • Rainfall: 63% | est. 0.02in
    • Snowfall: 0%
    • Wind
      8.5 mph
    • Humidity
      89% avg.
    • UV Index
      4
    • Air Quality
      Good
    • Sunrise
      07:19 AM
    • Sunset
      07:26 PM
    • Moonrise
      06:08 PM
    • Moonset
      04:17 AM
    • Moon Phase
      Waxing Gibbous
Lancaster, OH Weather Forecast - 9-24-26 - Overcast

Overcast

Thu 9-24-26

Overcast with a high of 61°F and a low of 51°F. There's a moderate 29% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 19.2mph at 8 PM. High humidity with average of 83% is anticipated, the maximum being 94% at 8 AM and 68% being its lowest at 1 PM. Barometric pressure is its highest of 30.17inHg at 8 AM, a lowest point of 30.12inHg at 5 PM with an avg 30.14inHg.

    • HI: 61°F
    • LO: 51°F
    • Rainfall: 29% | est. 0in
    • Snowfall: 0%
    • Wind
      10.5 mph
    • Humidity
      83% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      07:20 AM
    • Sunset
      07:24 PM
    • Moonrise
      06:29 PM
    • Moonset
      05:18 AM
    • Moon Phase
      Full Moon

This 5-Day weather forecast is valid for ZIP code 43130, accurately covering the area of Lancaster, OH.