Frost dates for 26410Newburg, WV
The average last spring frost in Newburg is April 28 and the average first fall frost is October 23, giving a typical growing season of about 179 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 28
- Average first fall frost
- Oct 23
- Growing season
- 179 days
Safer after May 15 (1-in-10 risk)
Possible by Oct 10 (1-in-10 risk)
Last frost typically in 176 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 7 · May 23 | Oct 2 · Oct 13 · Oct 25 | 158 days | 100% |
| Frost / freeze (32°F) | Apr 12 · Apr 28 · May 15 | Oct 10 · Oct 23 · Nov 4 | 179 days | 100% |
| Hard freeze (28°F) | Mar 30 · Apr 14 · May 3 | Oct 19 · Nov 1 · Nov 15 | 200 days | 100% |
Planting calendar for Newburg
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 28 – Jun 3 |
| Tomatoes | Transplant outdoors | May 14 – Jul 3 |
| Peppers | Start seeds indoors | Mar 28 – Apr 28 |
| Peppers | Transplant outdoors | May 28 – Jun 28 |
| Eggplant | Start seeds indoors | Apr 14 – May 13 |
| Eggplant | Transplant outdoors | May 28 – Jun 28 |
| Cucumbers | Sow outdoors | May 28 – Jul 13 |
| Summer squash | Sow outdoors | May 14 – Jun 28 |
| Winter squash & pumpkins | Sow outdoors | May 28 – Jun 28 |
| Snap beans | Sow outdoors | May 14 – Aug 5 |
| Sweet corn | Sow outdoors | May 14 – Jul 3 |
| Watermelon & cantaloupe | Sow outdoors | May 28 – Jun 28 |
| Okra | Sow outdoors | May 21 – Jun 13 |
| Peas | Sow outdoors (spring) | Mar 28 – May 13 |
| Potatoes | Plant outdoors (spring) | Mar 28 – May 28 |
| Onions | Start seeds indoors (spring) | Feb 14 – Mar 13 |
| Onions | Transplant outdoors (spring) | Apr 14 – May 13 |
| Broccoli | Start seeds indoors (spring) | Mar 10 – Apr 13 |
| Broccoli | Transplant outdoors (spring) | Apr 14 – May 13 |
| Broccoli | Start seeds indoors (fall) | Jun 23 – Jul 3 |
| Broccoli | Transplant outdoors (fall) | Jul 23 – Aug 3 |
| Cabbage | Start seeds indoors (spring) | Feb 28 – Mar 28 |
| Cabbage | Transplant outdoors (spring) | Mar 28 – Apr 28 |
| Cabbage | Start seeds indoors (fall) | Jun 13 – Jul 13 |
| Cabbage | Transplant outdoors (fall) | Jul 13 – Aug 13 |
| Leaf lettuce | Sow outdoors (spring) | Mar 28 – Jun 13 |
| Leaf lettuce | Sow outdoors (fall) | Jul 13 – Aug 29 |
| Spinach | Sow outdoors (spring) | Mar 21 – May 4 |
| Spinach | Sow outdoors (fall) | Jul 30 – Sep 3 |
| Radishes | Sow outdoors (spring) | Mar 28 – May 18 |
| Radishes | Sow outdoors (fall) | Jul 13 – Sep 13 |
| Kale | Sow outdoors (spring) | Apr 14 – May 4 |
| Kale | Sow outdoors (fall) | Jul 6 – Aug 13 |
| Carrots | Sow outdoors (spring) | Apr 28 – Jun 13 |
| Carrots | Sow outdoors (fall) | Jun 13 – Jul 29 |
| Garlic | Plant outdoors (fall) | Oct 13 – Nov 13 |
Where these dates come from
ZIP code 26410 is matched to the NOAA station Rowlesburg 1, WV, 15.2 km away, at 1,423 ft elevation (109 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Rowlesburg 1, WV (used) | 1,423 ft | Apr 28 | Oct 23 |
| Tygart Dam, WV | 1,235 ft | Apr 26 | Oct 22 |
| Terra Alta #1, WV | 2,630 ft | May 7 | Oct 11 |
| Morgantown L&D, WV | 825 ft | Apr 26 | Oct 23 |
Frost dates near Newburg
- Independence, WV 26374 · last Apr 28, first Oct 23
- Tunnelton, WV 26444 · last Apr 28, first Oct 23
- Arthurdale, WV 26520 · last Apr 28, first Oct 23
- Thornton, WV 26440 · last Apr 26, first Oct 22
- Reedsville, WV 26547 · last Apr 28, first Oct 23
- Kingwood, WV 26537 · last Apr 28, first Oct 23
- Rowlesburg, WV 26425 · last May 6, first Oct 9
- Bretz, WV 26524 · last Apr 23, first Oct 24
Frequently asked questions
- When is the last frost in Newburg, WV?
- For ZIP code 26410, the average last spring frost (32°F) is April 28, based on NOAA 1991-2020 climate normals for the Rowlesburg 1, WV weather station. There is a 1-in-10 chance of a frost after May 15.
- When is the first frost in Newburg, WV?
- The average first fall frost (32°F) is October 23. There is a 1-in-10 chance of frost by October 10, so tender plants are at risk from that point on.
- How long is the growing season in 26410?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 179 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.