Frost dates for 97741Madras, OR
Frost is possible in any month near Madras, based on NOAA 1991-2020 records for the Madras, OR station.
Frost is possible in any month. Even summer nights can drop to freezing at this station, so protect tender plants whenever cold nights are forecast.
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | — | — | 45 days | 100% |
| Frost / freeze (32°F) | — | — | 82 days | 100% |
| Hard freeze (28°F) | May 7 · May 28 · Jun 21 | Sep 6 · Sep 24 · Oct 9 | 119 days | 100% |
Where these dates come from
ZIP code 97741 is matched to the NOAA station Madras, OR, 10.8 km away, at 2,230 ft elevation (8 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Madras, OR (used) | 2,230 ft | — | — |
| Madras 2 N, OR | 2,443 ft | May 19 | Oct 4 |
| Pelton Dam, OR | 1,410 ft | May 5 | Oct 7 |
| Grizzly, OR | 3,635 ft | — | — |
Frost dates near Madras
- Warm Springs, OR 97761 · last May 5, first Oct 7
- Culver, OR 97734 · last Jun 9, first Sep 14
- Terrebonne, OR 97760 · last Jun 9, first Sep 14
- Ashwood, OR 97711 · last —, first —
- Antelope, OR 97001 · last May 22, first Oct 3
- Redmond, OR 97756 · last Jun 9, first Sep 14
- Prineville, OR 97754 · last Jun 1, first Sep 22
- Camp Sherman, OR 97730 · last —, first —
Frequently asked questions
- When is the last frost in Madras, OR?
- Frost is possible in any month at the nearest NOAA station (Madras, OR), so there is no reliable average last frost date.
- When is the first frost in Madras, OR?
- Frost is possible in any month at the nearest NOAA station.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.