Frost Dates: First and last frost dates for Baring, WA
ℹ️ How to read these charts for the spring
As spring unfolds, the risk of frost gradually decreases each day until your tender plants are finally safe. The probabilities shown in the chart help you make smart decisions about when to plant.
While frost typically forms at 32°F, tender plants can be damaged even when temperatures are slightly higher. Air temperatures are often measured several feet above the ground, but temperatures at plant level can be several degrees colder. Protected areas like porches help by blocking radiational cooling. Given these variables, we consider 36°F the "caution zone" for frost-sensitive plants.
Key dates for your spring planting:
- By June 3, you have a 90% chance of being frost-free — this is your "safe date" for planting tender crops
- Around May 16, there's a 50/50 chance of frost — check weather forecasts carefully if planting now
- Before May 5, there's still an 80% risk of frost — too early for tomatoes and other tender plants unless you're prepared to protect them
If the 10-day forecast shows no temperatures below 40°F, you might safely plant earlier than the above dates suggest. Many gardeners watch for this weather window to get a head start on the growing season.
| Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| Last 16° | Feb 16 | Feb 1 | Jan 21 | Jan 10 | Dec 29 | Dec 11 | -- | -- | -- |
| Last 20° | Mar 6 | Feb 22 | Feb 13 | Feb 5 | Jan 29 | Jan 21 | Jan 12 | Dec 31 | -- |
| Last 24° | Mar 14 | Mar 4 | Feb 24 | Feb 18 | Feb 12 | Feb 6 | Jan 30 | Jan 22 | Jan 9 |
| Last 28° | Apr 14 | Apr 3 | Mar 27 | Mar 21 | Mar 15 | Mar 9 | Mar 2 | Feb 23 | Feb 13 |
| Last 32° | May 15 | May 8 | May 3 | Apr 28 | Apr 24 | Apr 20 | Apr 16 | Apr 11 | Apr 3 |
| Last 36° | Jun 3 | May 28 | May 23 | May 20 | May 16 | May 13 | May 9 | May 5 | Apr 29 |
ℹ️ How to read these charts for the fall
As summer ends in Baring, WA, nighttime temperatures begin to drop, and your risk of frost increases with each passing day. Knowing when to expect frost helps you harvest sensitive crops and extend your growing season with protection methods.
The chart below shows the probability of experiencing specific temperatures on various dates. Here's what this means for your garden:
These probabilities help you time your end-of-season harvests and know when to apply protective measures like row covers, cloches, or cold frames to extend your harvest.
| Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| First 16° | Dec 2 | Dec 16 | Dec 27 | Jan 6 | Jan 18 | Feb 8 | -- | -- | -- |
| First 20° | Nov 24 | Dec 6 | Dec 15 | Dec 23 | Dec 31 | Jan 8 | Jan 18 | Feb 2 | -- |
| First 24° | Nov 9 | Nov 18 | Nov 25 | Dec 1 | Dec 7 | Dec 12 | Dec 19 | Dec 26 | Jan 7 |
| First 28° | Oct 24 | Nov 1 | Nov 7 | Nov 12 | Nov 16 | Nov 21 | Nov 26 | Dec 2 | Dec 10 |
| First 32° | Oct 4 | Oct 10 | Oct 14 | Oct 18 | Oct 22 | Oct 25 | Oct 29 | Nov 2 | Nov 8 |
| First 36° | Sep 17 | Sep 24 | Sep 29 | Oct 3 | Oct 6 | Oct 10 | Oct 14 | Oct 19 | Oct 25 |
📍 Frost Dates for other nearby locations
- Startup, WA 18.2 mi
- Snoqualmie Falls, WA 29.3 mi
- Cedar Lake, WA 31.0 mi
- Stampede Pass, WA 35.0 mi
- Darrington Rs, WA 35.5 mi
- Monroe, WA 36.3 mi
- Palmer, WA 41.0 mi
- Landsburg, WA 43.0 mi
- Everett, WA 51.9 mi
- Mud Mtn Dam, WA 53.5 mi
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Data is provided by the NOAA National Centers for Environmental Information.