Islip snow in 2025-26
Islip recorded 61.8 inches of snow in 2025-26, against a 1991-2020 normal of 31.8 inches. Measurable snow, at 0.1 inch or more, fell on 19 days at Islip Long Island MacArthur Airport, and the largest single fall was 19.6 inches on Feb 23, 2026. The total was 30.0 inches above the 1991-2020 normal, 94% above normal. In the station record, the season ranks 6th snowiest among 63 complete seasons, with data from 1963.
Earlier season: 2024-25Back to the Islip snow page
Islip snow in 2025-26
| Season total | 61.8 inches | 2025-26 |
|---|---|---|
| 1991-2020 normal | 31.8 inches | Normals, the 1991-2020 average, come from NCEI. |
| Departure vs normal | +30.0 inches (+94%) | 194% of normal |
| Season rank | 6th of 63 | Complete seasons, snowiest first, record from 1963 |
| Measurable days | 19 | |
| Largest day | 19.6 inches |
Snow by month in 2025-26
Every measurable snow day in 2025-26
The readings come from Islip Long Island MacArthur Airport, a GHCN-Daily station whose record begins in 1963. Station observations from GHCN-Daily, with a 1 to 3 day lag and quality checks.
Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.