Startup Weather Forecast 15 Days, Weather in Startup Today

Current weather conditions and 15 day weather forecast for Startup, 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 Startup

28 October 2026 Wednesday
5.7 ° C / 42.3°F
Moderate or heavy rain in area with thunder
Moderate or heavy rain in area with thunder
Feels Like : 3.7 ° C / 38.7°F
Humidity : % 98
Pressure : 1012 mb
Wind Speed : 9.4 kmph / 5.8 miles from SSESSE
Visibility : 6 km
Precipitation (rainfall) : 1.38 mm
Cloud (%) : 100

15 day weather forecast for Startup, WA, USA

Weather Forecast for next 15 Days for Startup 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 Startup, Washington state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
28 October 2026 Wednesday Light rain shower Light rain shower 0.8 ° C
(33.5°F)
9.3 ° C
(48.8°F)
6.1 ° C
(43°F)
% 92 92% 0.6 Sunrise:07:45 AM
Sunset: 05:55 PM
Moonrise:06:56 PM
Moonset: 11:05 AM
Moon Phase
( Waning Gibbous )
29 October 2026 Thursday Sunny Sunny -1.4 ° C
(29.4°F)
12.5 ° C
(54.5°F)
3.4 ° C
(38.1°F)
% 80 51% 1.6 Sunrise:07:47 AM
Sunset: 05:54 PM
Moonrise:07:51 PM
Moonset: 12:15 PM
Moon Phase
( Waning Gibbous )
30 October 2026 Friday Partly Cloudy Partly Cloudy -1.9 ° C
(28.6°F)
9.7 ° C
(49.5°F)
2.4 ° C
(36.3°F)
% 85 79% 1.1 Sunrise:07:48 AM
Sunset: 05:52 PM
Moonrise:09:00 PM
Moonset: 01:13 PM
Moon Phase
( Waning Gibbous )
31 October 2026 Saturday Overcast Overcast -1.6 ° C
(29.1°F)
11.9 ° C
(53.4°F)
4.6 ° C
(40.2°F)
% 80 71% 1.2 Sunrise:07:50 AM
Sunset: 05:50 PM
Moonrise:10:18 PM
Moonset: 01:57 PM
Moon Phase
( Last Quarter )
01 November 2026 Sunday Patchy rain nearby Patchy rain nearby -0.8 ° C
(30.6°F)
11.2 ° C
(52.1°F)
5.4 ° C
(41.7°F)
% 83 56% 4 Sunrise:06:51 AM
Sunset: 04:49 PM
Moonrise:10:41 PM
Moonset: 01:31 PM
Moon Phase
( Last Quarter )
02 November 2026 Monday Overcast Overcast -1.2 ° C
(29.9°F)
14.2 ° C
(57.5°F)
6.6 ° C
(43.8°F)
% 67 16% 3 Sunrise:06:53 AM
Sunset: 04:47 PM
Moonrise:Does not rise today
Moonset: 01:56 PM
Moon Phase
( Last Quarter )
03 November 2026 Tuesday Cloudy Cloudy 2.5 ° C
(36.5°F)
14.8 ° C
(58.6°F)
7.7 ° C
(45.8°F)
% 61 11% 3 Sunrise:06:54 AM
Sunset: 04:46 PM
Moonrise:12:04 AM
Moonset: 02:17 PM
Moon Phase
( Waning Crescent )
04 November 2026 Wednesday Overcast Overcast 2.3 ° C
(36.1°F)
16.8 ° C
(62.3°F)
8.5 ° C
(47.4°F)
% 65 15% 4 Sunrise:06:56 AM
Sunset: 04:44 PM
Moonrise:01:25 AM
Moonset: 02:35 PM
Moon Phase
( Waning Crescent )
05 November 2026 Thursday Cloudy Cloudy 4.1 ° C
(39.4°F)
16.5 ° C
(61.8°F)
9.4 ° C
(49°F)
% 57 10% 5 Sunrise:06:57 AM
Sunset: 04:43 PM
Moonrise:02:45 AM
Moonset: 02:52 PM
Moon Phase
( Waning Crescent )
06 November 2026 Friday Patchy rain nearby Patchy rain nearby 4.1 ° C
(39.4°F)
9.4 ° C
(48.9°F)
7 ° C
(44.5°F)
% 76 84% 2 Sunrise:06:59 AM
Sunset: 04:41 PM
Moonrise:04:04 AM
Moonset: 03:10 PM
Moon Phase
( Waning Crescent )
07 November 2026 Saturday Patchy rain nearby Patchy rain nearby 2.4 ° C
(36.3°F)
6.9 ° C
(44.5°F)
4.5 ° C
(40.1°F)
% 80 79% 2 Sunrise:07:00 AM
Sunset: 04:40 PM
Moonrise:05:24 AM
Moonset: 03:30 PM
Moon Phase
( New Moon )
08 November 2026 Sunday Patchy rain nearby Patchy rain nearby 2.8 ° C
(37°F)
10.7 ° C
(51.3°F)
7 ° C
(44.5°F)
% 71 82% 3 Sunrise:07:02 AM
Sunset: 04:38 PM
Moonrise:06:44 AM
Moonset: 03:54 PM
Moon Phase
( New Moon )
09 November 2026 Monday Patchy rain nearby Patchy rain nearby 2.2 ° C
(35.9°F)
12.6 ° C
(54.7°F)
8.6 ° C
(47.4°F)
% 71 80% 3 Sunrise:07:03 AM
Sunset: 04:37 PM
Moonrise:08:03 AM
Moonset: 04:24 PM
Moon Phase
( New Moon )
10 November 2026 Tuesday Light drizzle Light drizzle 7.3 ° C
(45.2°F)
11.4 ° C
(52.5°F)
9.7 ° C
(49.5°F)
% 76 87% 3 Sunrise:07:05 AM
Sunset: 04:36 PM
Moonrise:09:17 AM
Moonset: 05:03 PM
Moon Phase
( New Moon )
Startup Weather forecasts are usually fully updated every 4 hours.
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