How much rain fell in Dayton, OH 45422 in the last 24 hours?

No measurable rain fell in Dayton, OH 45422 over the last 24 hours (radar-measured, NOAA MRMS). The last measurable rain was on August 2, 2026.

How much rain has fallen in Dayton, OH 45422 this year?

Dayton, OH 45422 has recorded 30.97″ of rain year-to-date in 2026.

How much rain has Dayton, OH 45422 had in the past 30 days?

Dayton, OH 45422 has received 5.59″ of rain in the past 30 days (radar-measured).

When did it last rain in Dayton, OH 45422?

The last measurable rain in Dayton, OH 45422 was on August 2, 2026.

Rainfall · Last 24 hours

Dayton, OH 45422

0.00″

NOAA MRMS radar in the last 24 hours

No measurable rain fell in ZIP 45422 over the last 24 hours (NOAA MRMS radar). The last measurable rain was on August 2, 2026.

0.00″

Past 24 hours

3.14″

Past 7 days

5.59″

Past 30 days

Rainfall this year

August so far

3.37″

Year to date 2026

30.97″

August so far: 3.37″ of the 2.98″ monthly normal, about 113% of typical. Last measurable rain: August 2, 2026.

Monthly rainfall trailing 12 months

Aug 2026 3.37″2 wet

Jul 2026 2.74″7 wet

Jun 2026 2.95″13 wet

May 2026 8.39″18 wet

Apr 2026 3.08″12 wet

Mar 2026 6.64″13 wet

Feb 2026 2.28″9 wet

Jan 2026 1.52″5 wet

Dec 2025 1.76″12 wet

Nov 2025 1.96″12 wet

Oct 2025 4.82″6 wet

Sep 2025 1.68″5 wet

Live rainfall tracking on your iPhone

Track rainfall totals at Dayton, OH 45422.

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Nearby Dayton ZIP codes

Full Dayton rainfall history All Montgomery County ZIPs 45401 45402 45403 45404 45405 45406 45409 45410 45412 45413 45414 45415 45416 45417 45419 45420 45423 45424 45426 45428 45429 45430 45431 45432

With the GrayCloud app

Radar-measured rain for your exact spot in Dayton, OH, no rain gauge needed
Alerts when rain is about to start
Live radar with a 60-minute outlook
Live Activities and home screen widgets
Monthly and year-to-date rain tracking

Source: NOAA MRMS radar-estimated precipitation and GHCN-Daily station DAYTON INTL AP. ZIP-code locations from GeoNames postal data (CC BY 4.0). Radar windows are point-scoped to the ZIP centroid; monthly and year-to-date totals blend the nearest reporting station with radar analysis.