Frost dates for 97859Meacham, OR
Frost is possible in any month near Meacham, based on NOAA 1991-2020 records for the Meacham, 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) | — | — | 22 days | 100% |
| Frost / freeze (32°F) | — | — | 48 days | 100% |
| Hard freeze (28°F) | May 4 · May 24 · Jun 21 | Aug 17 · Sep 7 · Sep 29 | 104 days | 100% |
Where these dates come from
ZIP code 97859 is matched to the NOAA station Meacham, OR, 1.3 km away, at 3,723 ft elevation (9 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Meacham, OR (used) | 3,723 ft | — | — |
| Pendleton Branch Exp Stn, OR | 1,487 ft | May 12 | Sep 27 |
| Pilot Rock 1 Se, OR | 1,720 ft | May 7 | Oct 4 |
| Pendleton Dwtn, OR | 1,040 ft | Apr 22 | Oct 9 |
Frost dates near Meacham
- Adams, OR 97810 · last May 12, first Sep 27
- Pendleton, OR 97801 · last Apr 14, first Oct 22
- Summerville, OR 97876 · last May 6, first Oct 1
- Weston, OR 97886 · last May 12, first Sep 27
- Pilot Rock, OR 97868 · last May 7, first Oct 4
- La Grande, OR 97850 · last May 6, first Oct 1
- Athena, OR 97813 · last May 12, first Sep 27
- Imbler, OR 97841 · last May 6, first Oct 1
Frequently asked questions
- When is the last frost in Meacham, OR?
- Frost is possible in any month at the nearest NOAA station (Meacham, OR), so there is no reliable average last frost date.
- When is the first frost in Meacham, 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.