Friday Harbor Weather Forecast 15 Days, Weather in Friday Harbor Today
Current weather conditions and 15 day weather forecast for Friday Harbor, Washington, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Friday Harbor
| 14 August 2025 Thursday 14.3 ° C / 57.7°F  Partly Cloudy |
Feels Like : 13.1 ° C / 55.5°F Humidity : % 77 Pressure : 1017 mb Wind Speed : 16.9 kmph / 10.5 miles from S  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Friday Harbor, WA, USA
Weather Forecast for next 15 Days for Friday Harbor including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Friday Harbor, Washington state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 14 August 2025 Thursday | |
| Weather forecast |  Cloudy |
| Low temperature | 11.8 ° C (53.2°F) |
| High temperature | 13.8 ° C (56.8°F) |
| Avg. temperature | 12.9 ° C (55.2°F) |
| Humidity | % 91 |
| Chance of rain | 0% |
| UV Index | 1.1 |
| Sun Position | Sunrise:06:05 AM Sunset: 08:27 PM |
| Moon Position | Moonrise:10:31 PM Moonset: 12:56 PM Moon Phase ( Waning Gibbous ) |
| 15 August 2025 Friday | |
| Weather forecast |  Heavy rain |
| Low temperature | 12.3 ° C (54.1°F) |
| High temperature | 14.6 ° C (58.3°F) |
| Avg. temperature | 13.7 ° C (56.7°F) |
| Humidity | % 97 |
| Chance of rain | 89% |
| UV Index | 0.3 |
| Sun Position | Sunrise:06:06 AM Sunset: 08:25 PM |
| Moon Position | Moonrise:10:58 PM Moonset: 02:21 PM Moon Phase ( Waning Gibbous ) |
| 16 August 2025 Saturday | |
| Weather forecast |  Overcast |
| Low temperature | 12.6 ° C (54.7°F) |
| High temperature | 15.1 ° C (59.2°F) |
| Avg. temperature | 13.6 ° C (56.6°F) |
| Humidity | % 95 |
| Chance of rain | 0% |
| UV Index | 1.4 |
| Sun Position | Sunrise:06:08 AM Sunset: 08:24 PM |
| Moon Position | Moonrise:11:34 PM Moonset: 03:46 PM Moon Phase ( Last Quarter ) |
| 17 August 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 11.2 ° C (52.2°F) |
| High temperature | 16.4 ° C (61.6°F) |
| Avg. temperature | 13.4 ° C (56.1°F) |
| Humidity | % 88 |
| Chance of rain | 0% |
| UV Index | 1.3 |
| Sun Position | Sunrise:06:09 AM Sunset: 08:22 PM |
| Moon Position | Moonrise:No moonrise Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
| 18 August 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 12.3 ° C (54.2°F) |
| High temperature | 17.2 ° C (62.9°F) |
| Avg. temperature | 14.3 ° C (57.7°F) |
| Humidity | % 75 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:10 AM Sunset: 08:20 PM |
| Moon Position | Moonrise:12:23 AM Moonset: 06:07 PM Moon Phase ( Waning Crescent ) |
| 19 August 2025 Tuesday | |
| Weather forecast |  Sunny |
| Low temperature | 13 ° C (55.3°F) |
| High temperature | 16.8 ° C (62.2°F) |
| Avg. temperature | 14.7 ° C (58.4°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:12 AM Sunset: 08:18 PM |
| Moon Position | Moonrise:01:28 AM Moonset: 06:55 PM Moon Phase ( Waning Crescent ) |
| 20 August 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 12.6 ° C (54.7°F) |
| High temperature | 16.6 ° C (61.8°F) |
| Avg. temperature | 14.4 ° C (57.9°F) |
| Humidity | % 81 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:13 AM Sunset: 08:16 PM |
| Moon Position | Moonrise:02:43 AM Moonset: 07:30 PM Moon Phase ( Waning Crescent ) |
| 21 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 12 ° C (53.7°F) |
| High temperature | 18.1 ° C (64.7°F) |
| Avg. temperature | 14.7 ° C (58.5°F) |
| Humidity | % 76 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:14 AM Sunset: 08:14 PM |
| Moon Position | Moonrise:04:04 AM Moonset: 07:55 PM Moon Phase ( Waning Crescent ) |
| 22 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 13.9 ° C (57.1°F) |
| High temperature | 19.4 ° C (66.9°F) |
| Avg. temperature | 16 ° C (60.9°F) |
| Humidity | % 71 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:16 AM Sunset: 08:12 PM |
| Moon Position | Moonrise:05:24 AM Moonset: 08:14 PM Moon Phase ( Waning Crescent ) |
| 23 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 14.4 ° C (58°F) |
| High temperature | 20.6 ° C (69°F) |
| Avg. temperature | 17.1 ° C (62.7°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:17 AM Sunset: 08:11 PM |
| Moon Position | Moonrise:06:41 AM Moonset: 08:29 PM Moon Phase ( New Moon ) |
| 24 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 15.1 ° C (59.1°F) |
| High temperature | 20.3 ° C (68.5°F) |
| Avg. temperature | 17.2 ° C (63°F) |
| Humidity | % 68 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:19 AM Sunset: 08:09 PM |
| Moon Position | Moonrise:07:54 AM Moonset: 08:43 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Sunny |
| Low temperature | 13.6 ° C (56.5°F) |
| High temperature | 18.9 ° C (66°F) |
| Avg. temperature | 15.5 ° C (59.8°F) |
| Humidity | % 75 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:20 AM Sunset: 08:07 PM |
| Moon Position | Moonrise:09:05 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 11.9 ° C (53.3°F) |
| High temperature | 17 ° C (62.5°F) |
| Avg. temperature | 14 ° C (57.2°F) |
| Humidity | % 80 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:21 AM Sunset: 08:05 PM |
| Moon Position | Moonrise:10:14 AM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 12.1 ° C (53.7°F) |
| High temperature | 18.4 ° C (65°F) |
| Avg. temperature | 14.7 ° C (58.5°F) |
| Humidity | % 80 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:23 AM Sunset: 08:03 PM |
| Moon Position | Moonrise:11:23 AM Moonset: 09:24 PM Moon Phase ( Waxing Crescent ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 August 2025 Thursday | Cloudy |
11.8 ° C (53.2°F) |
13.8 ° C (56.8°F) |
12.9 ° C (55.2°F) |
% 91 | 0% | 1.1 | Sunrise:06:05 AM Sunset: 08:27 PM |
Moonrise:10:31 PM Moonset: 12:56 PM Moon Phase ( Waning Gibbous ) |
|
| 15 August 2025 Friday | Heavy rain |
12.3 ° C (54.1°F) |
14.6 ° C (58.3°F) |
13.7 ° C (56.7°F) |
% 97 | 89% | 0.3 | Sunrise:06:06 AM Sunset: 08:25 PM |
Moonrise:10:58 PM Moonset: 02:21 PM Moon Phase ( Waning Gibbous ) |
|
| 16 August 2025 Saturday | Overcast |
12.6 ° C (54.7°F) |
15.1 ° C (59.2°F) |
13.6 ° C (56.6°F) |
% 95 | 0% | 1.4 | Sunrise:06:08 AM Sunset: 08:24 PM |
Moonrise:11:34 PM Moonset: 03:46 PM Moon Phase ( Last Quarter ) |
|
| 17 August 2025 Sunday | Partly Cloudy |
11.2 ° C (52.2°F) |
16.4 ° C (61.6°F) |
13.4 ° C (56.1°F) |
% 88 | 0% | 1.3 | Sunrise:06:09 AM Sunset: 08:22 PM |
Moonrise:No moonrise Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 18 August 2025 Monday | Partly Cloudy |
12.3 ° C (54.2°F) |
17.2 ° C (62.9°F) |
14.3 ° C (57.7°F) |
% 75 | 0% | 0 | Sunrise:06:10 AM Sunset: 08:20 PM |
Moonrise:12:23 AM Moonset: 06:07 PM Moon Phase ( Waning Crescent ) |
|
| 19 August 2025 Tuesday | Sunny |
13 ° C (55.3°F) |
16.8 ° C (62.2°F) |
14.7 ° C (58.4°F) |
% 78 | 0% | 4 | Sunrise:06:12 AM Sunset: 08:18 PM |
Moonrise:01:28 AM Moonset: 06:55 PM Moon Phase ( Waning Crescent ) |
|
| 20 August 2025 Wednesday | Sunny |
12.6 ° C (54.7°F) |
16.6 ° C (61.8°F) |
14.4 ° C (57.9°F) |
% 81 | 0% | 4 | Sunrise:06:13 AM Sunset: 08:16 PM |
Moonrise:02:43 AM Moonset: 07:30 PM Moon Phase ( Waning Crescent ) |
|
| 21 August 2025 Thursday | Sunny |
12 ° C (53.7°F) |
18.1 ° C (64.7°F) |
14.7 ° C (58.5°F) |
% 76 | 0% | 4 | Sunrise:06:14 AM Sunset: 08:14 PM |
Moonrise:04:04 AM Moonset: 07:55 PM Moon Phase ( Waning Crescent ) |
|
| 22 August 2025 Friday | Sunny |
13.9 ° C (57.1°F) |
19.4 ° C (66.9°F) |
16 ° C (60.9°F) |
% 71 | 0% | 5 | Sunrise:06:16 AM Sunset: 08:12 PM |
Moonrise:05:24 AM Moonset: 08:14 PM Moon Phase ( Waning Crescent ) |
|
| 23 August 2025 Saturday | Sunny |
14.4 ° C (58°F) |
20.6 ° C (69°F) |
17.1 ° C (62.7°F) |
% 66 | 0% | 5 | Sunrise:06:17 AM Sunset: 08:11 PM |
Moonrise:06:41 AM Moonset: 08:29 PM Moon Phase ( New Moon ) |
|
| 24 August 2025 Sunday | Sunny |
15.1 ° C (59.1°F) |
20.3 ° C (68.5°F) |
17.2 ° C (63°F) |
% 68 | 0% | 5 | Sunrise:06:19 AM Sunset: 08:09 PM |
Moonrise:07:54 AM Moonset: 08:43 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Sunny |
13.6 ° C (56.5°F) |
18.9 ° C (66°F) |
15.5 ° C (59.8°F) |
% 75 | 0% | 5 | Sunrise:06:20 AM Sunset: 08:07 PM |
Moonrise:09:05 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Sunny |
11.9 ° C (53.3°F) |
17 ° C (62.5°F) |
14 ° C (57.2°F) |
% 80 | 0% | 4 | Sunrise:06:21 AM Sunset: 08:05 PM |
Moonrise:10:14 AM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Sunny |
12.1 ° C (53.7°F) |
18.4 ° C (65°F) |
14.7 ° C (58.5°F) |
% 80 | 0% | 4 | Sunrise:06:23 AM Sunset: 08:03 PM |
Moonrise:11:23 AM Moonset: 09:24 PM Moon Phase ( Waxing Crescent ) |
|
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