August so far
1.68″
Year to date 2026
21.48″
August so far: 1.68″ of the 3.69″ monthly normal, about 45% of typical. Last measurable rain: August 8, 2026.
Rainfall · Last 24 hours
Alton, NH 03809
0.02″
NOAA MRMS radar
in the last 24 hours
0.02″ of rain fell in ZIP 03809 over the last 24 hours, measured by NOAA MRMS radar at this ZIP code's location. Year to date, Alton, NH has recorded 21.48″.
0.02″
Past 24 hours
1.70″
Past 7 days
2.72″
Past 30 days
Aug 2026
1.68″2 wet
Jul 2026
1.17″8 wet
Jun 2026
4.15″11 wet
May 2026
6.02″17 wet
Apr 2026
2.01″12 wet
Mar 2026
3.46″15 wet
Feb 2026
1.01″6 wet
Jan 2026
1.98″16 wet
Dec 2025
0.89″6 wet
Nov 2025
2.15″8 wet
Oct 2025
3.13″9 wet
Sep 2025
2.56″5 wet
Live rainfall tracking on your iPhone
Track rainfall totals at Alton, NH 03809.
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- Radar-measured rain for your exact spot in Alton, NH, no rain gauge needed
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- Monthly and year-to-date rain tracking
Source: NOAA MRMS radar-estimated precipitation and GHCN-Daily station ROCHESTER SKYHAVEN 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.