Climate Friday Harbor - Washington
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 46 | 48 | 52 | 56 | 62 | 67 |
| Average low in ºF Av. low Lo | 36 | 35 | 37 | 39 | 43 | 47 |
| Av. precipitation in inch Av. precip. Pre. | 4.15 | 2.05 | 1.96 | 1.63 | 1.46 | 1.07 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 71 | 72 | 67 | 57 | 50 | 45 |
| Average low in ºF Av. low Lo | 49 | 48 | 46 | 42 | 38 | 35 |
| Av. precipitation in inch Av. precip. Pre. | 0.82 | 0.93 | 1.41 | 2.70 | 4.00 | 2.76 |
What is the average weather in Friday Harbor, Washington?
Friday Harbor experiences a warm-summer climate with a strong seasonal pattern. Summers are mild and notably dry, while winters are cool and much wetter, characterized by frequent rain or drizzle. This pattern leads to moderate precipitation overall.
Friday Harbor Climate Graph - Washington Climate Chart
Daily normals Friday Harbor - Washington - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 46.2 | 36.8 | 0.09 | 0.09 | 0.00 | 0.00 |
| 2 Jan | 46.3 | 36.8 | 0.18 | 0.18 | 0.00 | 0.00 |
| 3 Jan | 46.4 | 36.8 | 0.27 | 0.27 | 0.00 | 0.00 |
| 4 Jan | 46.4 | 36.9 | 0.36 | 0.36 | 0.00 | 0.00 |
| 5 Jan | 46.5 | 36.9 | 0.45 | 0.45 | 0.00 | 0.00 |
| 6 Jan | 46.6 | 37.0 | 0.54 | 0.54 | 0.00 | 0.00 |
| 7 Jan | 46.6 | 37.0 | 0.64 | 0.64 | 0.00 | 0.00 |
| 8 Jan | 46.7 | 37.1 | 0.73 | 0.73 | 0.00 | 0.00 |
| 9 Jan | 46.8 | 37.1 | 0.82 | 0.82 | 0.00 | 0.00 |
| 10 Jan | 46.8 | 37.1 | 0.92 | 0.92 | 0.00 | 0.00 |
| 11 Jan | 46.9 | 37.2 | 1.01 | 1.01 | 0.00 | 0.00 |
| 12 Jan | 47.0 | 37.2 | 1.11 | 1.11 | 0.00 | 0.00 |
| 13 Jan | 47.0 | 37.2 | 1.20 | 1.20 | 0.00 | 0.00 |
| 14 Jan | 47.1 | 37.2 | 1.29 | 1.29 | 0.00 | 0.00 |
| 15 Jan | 47.2 | 37.3 | 1.38 | 1.38 | 0.00 | 0.00 |
| 16 Jan | 47.2 | 37.3 | 1.48 | 1.48 | 0.00 | 0.00 |
| 17 Jan | 47.3 | 37.3 | 1.57 | 1.57 | 0.00 | 0.00 |
| 18 Jan | 47.3 | 37.3 | 1.67 | 1.67 | 0.00 | 0.00 |
| 19 Jan | 47.3 | 37.3 | 1.76 | 1.76 | 0.00 | 0.00 |
| 20 Jan | 47.4 | 37.3 | 1.84 | 1.84 | 0.00 | 0.00 |
| 21 Jan | 47.4 | 37.3 | 1.93 | 1.93 | 0.00 | 0.00 |
| 22 Jan | 47.5 | 37.2 | 2.01 | 2.01 | 0.00 | 0.00 |
| 23 Jan | 47.5 | 37.2 | 2.09 | 2.09 | 0.00 | 0.00 |
| 24 Jan | 47.5 | 37.2 | 2.17 | 2.17 | 0.00 | 0.00 |
| 25 Jan | 47.5 | 37.2 | 2.25 | 2.25 | 0.00 | 0.00 |
| 26 Jan | 47.6 | 37.1 | 2.33 | 2.33 | 0.00 | 0.00 |
| 27 Jan | 47.6 | 37.1 | 2.40 | 2.40 | 0.00 | 0.00 |
| 28 Jan | 47.6 | 37.0 | 2.48 | 2.48 | 0.00 | 0.00 |
| 29 Jan | 47.6 | 37.0 | 2.55 | 2.55 | 0.00 | 0.00 |
| 30 Jan | 47.7 | 37.0 | 2.62 | 2.62 | 0.00 | 0.00 |
| 31 Jan | 47.7 | 36.9 | 2.69 | 2.69 | 0.00 | 0.00 |
Weather history Friday Harbor - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 64.9 | 48.9 | 0.00 | - | - |
| 02 Sep | 66.0 | 53.1 | 0.07 | - | - |
| 03 Sep | 68.0 | 48.0 | 0.00 | - | - |
| 04 Sep | 68.0 | 48.0 | 0.00 | - | - |
| 05 Sep | 71.1 | 50.0 | T | - | - |
| 06 Sep | 73.0 | 46.9 | 0.00 | - | - |
| 07 Sep | 68.0 | 51.1 | 0.01 | - | - |
| 08 Sep | 72.0 | 48.9 | 0.00 | - | - |
| 09 Sep | 73.0 | 50.0 | 0.00 | - | - |
| 10 Sep | 69.1 | 51.1 | 0.00 | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Friday Harbor
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 69.3 ºF | 46 ºF | |
| Average low temperature Av. low temp. | 49.6 ºF | 36 ºF | |
| Total precipitation Total precip. | 0.08 inch | 4.15 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 73.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 64.9 ºF | - | |
| Highest min temperature Highest min temp. | 53.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 46.9 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Friday Harbor - Washington
| Country | United States | |
|---|---|---|
| State | Washington | |
| County | - | |
| City | Friday Harbor | |
| Zip Code | 98250 | |
| Longitude | -123.02 dec. degr. | |
| Latitude | 48.53 dec. degr. | |
| Altitude - Elevation | 56ft | |
| ICAO | - | |
| IATA | - |
Date and Time Friday Harbor - Washington
| Local Time | 01:36 AM | |
|---|---|---|
| Sunrise | 06:46 AM | |
| Sunset | 07:28 PM | |
| Day/Night | Night | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Friday Harbor - Washington
USGS National Map — Open interactive map
Friday Harbor weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 41ºF |
| Average annual precip. | 24.94 inch |
Station Data
Monthly averages Friday Harbor
Longitude: -123.017, Latitude: 48.5343
Average weather Friday Harbor, WA - 98250
Monthly: 1991-2020 normals
History: 2015-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...