Last frost date in Longview, WA
Expect the last frost in Longview around April 8. Frost after May 2 happens in only one year out of ten. The first fall frost usually arrives about November 5, which leaves 210 frost-free days. An early freeze before October 17 happens one year in ten.
- Safe after (10% risk)
- May 2
- Average first frost
- Nov 5
- Frost-free season
- 210 days
- Hard freeze (28°F) ends
- Mar 6
Frost possible in low spots Fri night, low 36°F
Earlier than usual: the average first frost here is November 5.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2237°
- FriOct 2336°possible frost
- SatOct 2439°
- SunOct 2540°
- MonOct 2640°
- TueOct 2739°
Planting calendar for Longview
Windows count forward or back from the average frost dates above. Click a crop for dates across Washington.
TomatoesApr 15–Apr 29
PumpkinsApr 22–May 6
SunflowersApr 8–Apr 29
CucumbersApr 22–Apr 29
CornApr 15–Apr 29
Sweet potatoesApr 29–May 13
WatermelonApr 22–May 6
Green beansApr 15–May 6
ZucchiniApr 15–Apr 29
OkraApr 29–May 13
PeppersApr 22–May 6
BasilApr 15–Apr 29
Butternut squashApr 15–Apr 29
CantaloupeApr 22–May 6
EggplantApr 22–May 6
PotatoesMar 11–Mar 25
OnionsFeb 25–Mar 18
CarrotsMar 18–Apr 22
LettuceMar 25–Apr 15
BroccoliMar 11–Mar 25
BeetsMar 11–Apr 22
PeasFeb 25–Mar 11
CabbageMar 11–Mar 25
RadishesMar 4–Apr 15
Brussels sproutsMar 25–Apr 8
SpinachFeb 25–Mar 18
CilantroMar 25–Apr 15
KaleMar 11–Mar 25
Collard greensMar 11–Mar 25
TurnipsMar 11–Mar 25
DillApr 8–Apr 22
CeleryApr 15–Apr 22
CauliflowerMar 25–Apr 8
LeeksMar 25–Apr 8
Swiss chardMar 25–Apr 22
ParsleyMar 25–Apr 15
Tulip bulbsOct 22–Nov 26
GarlicOct 15–Nov 19
Daffodil bulbsOct 8–Nov 19
StrawberriesMar 11–Mar 25
AsparagusMar 11–Mar 25Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 11 | Apr 8 | May 2 | Oct 17 | Nov 5 | Nov 28 |
| Hard freeze, 28°F | Feb 6 | Mar 6 | Apr 4 | Oct 31 | Nov 24 | Dec 20 |
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 Longview (USC00454769) sits 2.3 miles from the center of Longview at 12 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 Longview, WA?
The average last frost date in Longview is April 8, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 2.
When is the first frost in Longview?
The first frost in fall usually comes around November 5. One year in ten it arrives before October 17.
How long is the growing season in Longview?
About 210 days between the average last and first frost.
When should I plant tomatoes in Longview?
Plant tomato seedlings outside from April 15 to April 29. Start seeds indoors six to eight weeks earlier.
Nearby in Washington
- Battle GroundApr 26
- Hazel DellApr 26
- Five CornersApr 26
- OrchardsApr 26
- VancouverMar 29
- CamasMar 16
- TumwaterApr 29
- OlympiaApr 29
- LaceyApr 29
- GrahamApr 11
- SpanawayApr 11
- FredericksonApr 11