Frost dates for 26266Upperglade, WV
The average last spring frost in Upperglade is April 30 and the average first fall frost is October 18, giving a typical growing season of about 171 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 30
- Average first fall frost
- Oct 18
- Growing season
- 171 days
Safer after May 17 (1-in-10 risk)
Possible by Oct 1 (1-in-10 risk)
Last frost typically in 178 days
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) | Apr 23 · May 8 · May 27 | Sep 23 · Oct 7 · Oct 23 | 150 days | 100% |
| Frost / freeze (32°F) | Apr 14 · Apr 30 · May 17 | Oct 1 · Oct 18 · Nov 1 | 171 days | 100% |
| Hard freeze (28°F) | Apr 2 · Apr 16 · May 7 | Oct 12 · Oct 29 · Nov 12 | 194 days | 100% |
Planting calendar for Upperglade
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 30 – Jun 5 |
| Tomatoes | Transplant outdoors | May 16 – Jun 28 |
| Peppers | Start seeds indoors | Mar 30 – Apr 30 |
| Peppers | Transplant outdoors | May 30 – Jun 30 |
| Eggplant | Start seeds indoors | Apr 16 – May 15 |
| Eggplant | Transplant outdoors | May 30 – Jun 30 |
| Cucumbers | Sow outdoors | May 30 – Jul 8 |
| Summer squash | Sow outdoors | May 16 – Jun 30 |
| Winter squash & pumpkins | Sow outdoors | May 30 – Jun 30 |
| Snap beans | Sow outdoors | May 16 – Jul 31 |
| Sweet corn | Sow outdoors | May 16 – Jun 28 |
| Watermelon & cantaloupe | Sow outdoors | May 30 – Jun 30 |
| Okra | Sow outdoors | May 23 – Jun 15 |
| Peas | Sow outdoors (spring) | Mar 30 – May 15 |
| Potatoes | Plant outdoors (spring) | Mar 30 – May 30 |
| Onions | Start seeds indoors (spring) | Feb 16 – Mar 15 |
| Onions | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (spring) | Mar 12 – Apr 15 |
| Broccoli | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (fall) | Jun 18 – Jun 28 |
| Broccoli | Transplant outdoors (fall) | Jul 18 – Jul 29 |
| Cabbage | Start seeds indoors (spring) | Mar 2 – Mar 30 |
| Cabbage | Transplant outdoors (spring) | Mar 30 – Apr 30 |
| Cabbage | Start seeds indoors (fall) | Jun 8 – Jul 8 |
| Cabbage | Transplant outdoors (fall) | Jul 8 – Aug 8 |
| Leaf lettuce | Sow outdoors (spring) | Mar 30 – Jun 15 |
| Leaf lettuce | Sow outdoors (fall) | Jul 8 – Aug 24 |
| Spinach | Sow outdoors (spring) | Mar 23 – May 6 |
| Spinach | Sow outdoors (fall) | Jul 25 – Aug 29 |
| Radishes | Sow outdoors (spring) | Mar 30 – May 20 |
| Radishes | Sow outdoors (fall) | Jul 8 – Sep 8 |
| Kale | Sow outdoors (spring) | Apr 16 – May 6 |
| Kale | Sow outdoors (fall) | Jul 1 – Aug 8 |
| Carrots | Sow outdoors (spring) | Apr 30 – Jun 15 |
| Carrots | Sow outdoors (fall) | Jun 8 – Jul 24 |
| Garlic | Plant outdoors (fall) | Oct 8 – Nov 8 |
Where these dates come from
ZIP code 26266 is matched to the NOAA station Richwood 1Sse, WV, 23.7 km away, at 3,090 ft elevation (491 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Richwood 1Sse, WV (used) | 3,090 ft | Apr 30 | Oct 18 |
| Webster Springs 8 N, WV | 1,850 ft | May 4 | Oct 12 |
| Hacker Valley, WV | 1,582 ft | May 7 | Oct 10 |
| Sutton Lake, WV | 868 ft | Apr 22 | Oct 28 |
Frost dates near Upperglade
- Cowen, WV 26206 · last May 4, first Oct 12
- Webster Springs, WV 26288 · last May 4, first Oct 12
- Camden On Gauley, WV 26208 · last May 4, first Oct 12
- Tioga, WV 26691 · last May 5, first Oct 7
- Erbacon, WV 26203 · last May 4, first Oct 12
- Craigsville, WV 26205 · last May 5, first Oct 7
- Diana, WV 26217 · last May 4, first Oct 12
- Bergoo, WV 26298 · last May 4, first Oct 12
Frequently asked questions
- When is the last frost in Upperglade, WV?
- For ZIP code 26266, the average last spring frost (32°F) is April 30, based on NOAA 1991-2020 climate normals for the Richwood 1Sse, WV weather station. There is a 1-in-10 chance of a frost after May 17.
- When is the first frost in Upperglade, WV?
- The average first fall frost (32°F) is October 18. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 26266?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 171 days long.
- 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.