Last frost date in East Ridge, TN
In East Ridge, the last spring frost comes around March 24 in an average year. Wait until April 8 if you want 90% odds of no more frost. The first fall frost usually arrives about November 9, which leaves 230 frost-free days. An early freeze before October 27 happens one year in ten.
- Safe after (10% risk)
- Apr 8
- Average first frost
- Nov 9
- Frost-free season
- 230 days
- Hard freeze (28°F) ends
- Mar 11
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2245°
- FriOct 2343°
- SatOct 2445°
- SunOct 2545°
- MonOct 2647°
- TueOct 2749°
- WedOct 2848°
Planting calendar for East Ridge
Windows count forward or back from the average frost dates above. Click a crop for dates across Tennessee.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 6 | Mar 24 | Apr 8 | Oct 27 | Nov 9 | Nov 26 |
| Hard freeze, 28°F | Feb 18 | Mar 11 | Mar 30 | Nov 6 | Nov 22 | Dec 13 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Chattanooga Lovell Airport (USW00013882) sits 2.8 miles from the center of East Ridge at 671 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in East Ridge, TN?
The average last frost date in East Ridge is March 24, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 8.
When is the first frost in East Ridge?
The first frost in fall usually comes around November 9. One year in ten it arrives before October 27.
How long is the growing season in East Ridge?
About 230 days between the average last and first frost.
When should I plant tomatoes in East Ridge?
Plant tomato seedlings outside from March 31 to April 14. Start seeds indoors six to eight weeks earlier.
Nearby in Tennessee
- ChattanoogaMar 24
- ClevelandApr 6
- TullahomaApr 6
- ShelbyvilleApr 7
- CookevilleApr 14
- FarragutApr 5
- Oak RidgeApr 5
- MaryvilleApr 1
- MurfreesboroApr 9
- KnoxvilleApr 11
- SmyrnaApr 13
- La VergneApr 13