Marysville, OH 43040 Monthly Weather

Union County7:21 AM EDT40.25°N, 83.36°W
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October 2026

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179°/60°Avg 72°/49°
287°/63°0.41 inAvg 71°/49°
364°/47°0.05 inAvg 71°/48°
468°/45°Avg 70°/48°
574°/47°Avg 70°/48°
668°/40°Avg 70°/47°
768°/45°Avg 69°/47°
878°/52°Avg 69°/46°
973°/44°Avg 68°/46°
1076°/51°Avg 68°/46°
1167°/55°0.07 inAvg 67°/46°
1264°/59°0.02 inAvg 67°/45°
1380°/59°Avg 66°/45°
1487°/66°Avg 66°/44°
1585°/56°0.39 inAvg 66°/44°
1672°/57°0.03 inAvg 65°/44°
1760°/39°0.33 inAvg 65°/43°
1860°/33°Avg 64°/43°
1963°/36°Avg 64°/43°
2068°/40°Avg 63°/42°
21 Widespread Fog then Mostly Sunny 68°/39°Avg 63°/42°
22 Sunny 67°/42°Avg 62°/42°
23 Sunny 65°/36°Avg 62°/41°
24 Patchy Frost then Sunny 66°/39°Avg 61°/41°
25 Sunny 70°/44°Avg 61°/41°
26 Mostly Sunny 70°/45°Avg 60°/40°
27 Partly Sunny then Slight Chance Rain Showers 65°/41°Avg 60°/40°
28 Rain 50°/37°Avg 60°/40°
29 Sunny 54°/33°Avg 59°/39°
30Avg 59°/39°
31Avg 58°/39°
Average high72° (normal 68°)
Average low50° (normal 46°)
Warmest / coldest87° / 33°
Precipitation1.30 in (normal 1.80 in to date)
Record high today85° (1953)
Record low today17° (1952)

Observed: Marysville, 10 km away, records since 1917. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.