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Providing Climate Services to Improve the Lives of All Ohioans

29th
Warmest April for Ohio
15th
Wettest April for Ohio
2nd
Warmest YTD for the Globe

MONTHLY CLIMATE UPDATE (Released the Second Full Week of Each Month)

April 2025 Climate Summary (HTML) (pdf version)

Average temperature and departures from normal for Ohio for April 2025

Archived Monthly Climate Summaries

SEASONAL CLIMATE UPDATE (Released the Last Week of Mar, Jun, Sep, Dec)

Winter (December 2024 - February 2025) Review (HTML) (pdf version)

CPC outlooks for temperature and precipitation

Recent Conditions (Click Map for Additional Variables)

Total precipitation departure from the mean over the past 7 days

Average temperature departure from the mean over the past 7 days

Upcoming Events

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Green maize seedlings growing in cultivated agricultural field in sunset
August 28, 2025

Soil Health and Water Management Field Day (Lima)

12:47 pm
Lima, Ohio

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Recent News

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How Climate Change Is Already Impacting Ohio, and What’s Ahead

Across Ohio, the impacts of climate change are increasingly evident. From record-breaking heat waves to catastrophic flooding and prolonged droughts, the realities of a warming climate are already…

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Are your allergies bothering you more? You can thank climate change

In the latest episode of the Sound of Ideas from Ideastream Public Media, leading experts across the state, including Aaron Wilson, Ohio's State Climatologist and Ag Weather and Climate Field…

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Heavy Rains and Warmer Weather Call for Strategic Drainage and Water Management, Says OSU Expert

As Ohio enters the 2025 planting season, farmers are facing unusually wet conditions that could have a lasting impact on soil health and crop performance. According to Vinayak Shedekar, Assistant…

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Ohio's Historic Drought of 2024: How Early Warning Systems Mitigated the Crisis

Ohio experienced its most intense drought in 25 years in 2024, reaching an unprecedented Exceptional Drought (D4) level on the U.S. Drought Monitor. Since the monitor's inception in 2000, parts of…

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People Directory

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Jim Degrand
Assistant State Climatologist
degrand.1@osu.edu
Dr. Bryan Mark
Faculty Member, Geography Department
mark.9@osu.edu
Steven Quiring
Faculty Member, Geography Department
quiring.10@osu.edu
Aaron Wilson
State Climatologist of Ohio; Assistant Professor - Ag Weather and Climate Field Specialist, Department of Extension - CFAES
wilson.1010@osu.edu

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