๐Ÿ‚ First Frost Dates for Rockport, Washington 98283

The first 36ยฐF frost date is 30% likely to be on Oct 20. (See detailed probabilities below.)

The first 32ยฐF light freeze date is 30% likely to be on Nov 4. (See detailed probabilities below.)

(See also ๐ŸŒท Last Spring Frost Dates.)

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

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

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 sweaterโ€”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 (36ยฐF) on or before...
10% chanceOct 10
20% chanceOct 16
30% chanceOct 20
40% chanceOct 23
50% chanceOct 26
60% chanceOct 29
70% chanceNov 1
80% chanceNov 5
90% chanceNov 11
Probability of light freeze (32ยฐF) on or before...
10% chanceOct 24
20% chanceOct 31
30% chanceNov 4
40% chanceNov 8
50% chanceNov 12
60% chanceNov 17
70% chanceNov 22
80% chanceNov 28
90% chanceDec 5
Probability of moderate freeze (28ยฐF) on or before...
10% chanceNov 9
20% chanceNov 17
30% chanceNov 24
40% chanceDec 1
50% chanceDec 5
60% chanceDec 11
70% chanceDec 18
80% chanceDec 25
90% chanceJan 3
Probability of moderate hard freeze (24ยฐF) on or before...
10% chanceNov 24
20% chanceDec 3
30% chanceDec 9
40% chanceDec 16
50% chanceDec 23
60% chanceDec 28
70% chanceJan 1
80% chanceJan 13
90% chanceJan 29
Probability of hard freeze (20ยฐF) on or before...
10% chanceDec 1
20% chanceDec 10
30% chanceDec 18
40% chanceDec 24
50% chanceDec 29
60% chanceJan 1
70% chanceJan 10
80% chanceJan 22
90% chanceFeb 5
Probability of severe hard freeze (16ยฐF) on or before...
10% chanceDec 7
20% chanceDec 14
30% chanceDec 21
40% chanceDec 27
50% chanceDec 30
60% chanceJan 2
70% chanceJan 9
80% chanceJan 19
90% chanceFeb 1

Agricultural climatic data from weather station: NEWHALEM (USC00455840)