Weather on February 18

Seattle, WA

55 Years of Data

Avg High
50°F
Avg Low
38°F
Warmest
1972
52°F avg
Coldest
1990
31°F avg

About This Date

February 18th in Seattle, WA typically brings cool winter weather, with average highs around 50°F and lows near 38°F. Over 56 years of records, the warmest February 18th was in 1972 (52°F average), while the coldest was 1990 (31°F) — a 21°F range across recorded history. Precipitation has occurred on 55% of recorded February 18th dates, with snow falling 2% of the time. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.

Planning for February 18th in Seattle, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Cooling Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202644°35°40°0.41"
202555°43°49°
202450°40°45°
202347°40°43°
202250°44°47°
202145°35°40°0.05"
202048°32°40°
201944°34°39°0.23"
201841°32°37°0.08"
201746°43°44°0.33"
201653°45°49°0.3"
201557°38°47°
201450°42°46°1.57"
201347°40°43°
201246°39°43°0.56"
201148°28°38°
201061°40°50°
200953°34°43°
200854°29°42°
200748°42°45°
200643°20°32°
200554°30°42°
200454°42°48°0.1"
200353°39°46°
200254°42°48°0.28"
200153°37°45°0.1"
200050°28°39°
199950°37°44°1.27"
199851°43°47°1.19"
199746°43°44°1.09"
199657°47°52°1.57"
199556°43°49°2.57"
199445°39°42°
199345°25°35°
199246°40°43°1.14"
199152°41°46°0.69"
1990coldest39°23°31°
198948°39°44°0.64"
198851°41°46°
198749°37°43°
198641°28°35°0.08"0.5"
198553°32°43°
198454°40°47°
198351°43°47°
198250°38°44°1.17"
198153°47°50°1.17"
198051°43°47°1.14"
197950°41°46°0.28"
197851°46°49°0.53"
197760°43°51°0.08"
197646°37°42°0.05"
197548°41°45°0.18"
197446°41°44°2.57"
197350°37°44°
1972warmest58°47°52°0.41"
197146°38°42°0.84"
56 years of data from SEATTLE URBAN SITE

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.