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🍂 First Frost Dates for Vantage, Washington 98950

The first 36°F frost date is 30% likely to be on Oct 14. (See detailed probabilities below.)

The first 32°F light freeze date is 30% likely to be on Oct 25. (See detailed probabilities below.)

(See also 🌷 Last Spring Frost Dates.)

First frost date probabilities for Vantage, WA are based on historical climate data.

Always check your local forecast for the most up-to-date frost warnings.

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What is a First Frost Date?

The first fall frost signals the end of your local growing season. This date serves as an important deadline for gardeners and farmers. You'll need to complete harvesting before this point. Annuals and other tender plants will die back when frost hits, and perennial plants will enter their dormant phase for winter. Meanwhile, it's time to enjoy a cup of hot cocoa and a cozy sweater—and start planning your spring garden!

How to use the First Frost Date?

Watch your local weather forecasts in early fall to predict the first frost date. Harvest tender crops and protect vulnerable plants before frost arrives. For late-summer plantings, count backward from your area's average first frost date. This ensures your crops have enough time to mature. Keep track of when frost actually occurs in your garden each year. This helps you identify protected spots where the growing season might last longer.

First Frost Date Probabilities

Probability of frost (36°F) on or before...
10% chanceOct 6
20% chanceOct 11
30% chanceOct 14
40% chanceOct 17
50% chanceOct 19
60% chanceOct 21
70% chanceOct 24
80% chanceOct 27
90% chanceNov 1
Probability of light freeze (32°F) on or before...
10% chanceOct 18
20% chanceOct 22
30% chanceOct 25
40% chanceOct 28
50% chanceOct 31
60% chanceNov 2
70% chanceNov 4
80% chanceNov 8
90% chanceNov 15
Probability of moderate freeze (28°F) on or before...
10% chanceOct 27
20% chanceNov 1
30% chanceNov 4
40% chanceNov 7
50% chanceNov 11
60% chanceNov 16
70% chanceNov 20
80% chanceNov 24
90% chanceNov 30
Probability of moderate hard freeze (24°F) on or before...
10% chanceNov 5
20% chanceNov 12
30% chanceNov 18
40% chanceNov 23
50% chanceNov 27
60% chanceDec 1
70% chanceDec 5
80% chanceDec 9
90% chanceDec 15
Probability of hard freeze (20°F) on or before...
10% chanceNov 16
20% chanceNov 28
30% chanceDec 3
40% chanceDec 7
50% chanceDec 10
60% chanceDec 14
70% chanceDec 18
80% chanceDec 23
90% chanceDec 31
Probability of severe hard freeze (16°F) on or before...
10% chanceNov 30
20% chanceDec 6
30% chanceDec 12
40% chanceDec 16
50% chanceDec 21
60% chanceDec 26
70% chanceDec 31
80% chanceJan 6
90% chanceJan 23

Agricultural climatic data from weather station: PRIEST RAPIDS DAM (USC00456747)

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