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Now · 6:19 AM

Startup Weather & Hourly Forecast

United States · Washington · 98294

Moderate rain
52°F
Moderate rain
Feels like: 50°F
💧 Humidity 100% 🌡 Pressure 29.91 inHg 💨 Wind 5 mph 👁 Visibility 1.2 mi Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Startup

Today
Moderate rain · 7:00 AM Moderate rain
52° 💧 0.430 in 💨 5 mph H 99%29.91 inHg
Light rain · 10:00 AM Light rain
52° 💧 0.198 in 💨 4 mph H 97%29.97 inHg
Light rain · 1:00 PM Light rain
53° 💧 0.094 in 💨 5 mph H 96%29.97 inHg
Light rain · 4:00 PM Light rain
54° 💧 0.033 in 💨 5 mph H 98%30.00 inHg
Light rain · 7:00 PM Light rain
54° 💧 0.030 in 💨 3 mph H 97%30.00 inHg
Light rain · 10:00 PM Light rain
54° 💧 0.023 in 💨 5 mph H 98%30.06 inHg
Tomorrow
Light rain · 1:00 AM Light rain
53° 💧 0.011 in 💨 5 mph H 98%30.09 inHg
Overcast night · 4:00 AM Overcast night
53° 💧 0.005 in 💨 4 mph H 97%30.12 inHg
Overcast · 7:00 AM Overcast
53° 💧 0.005 in 💨 4 mph H 97%30.12 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
55° 💧 0.013 in 💨 4 mph H 93%30.15 inHg
Light rain · 1:00 PM Light rain
60° 💧 0.007 in 💨 5 mph H 74%30.12 inHg
Mostly cloudy · 4:00 PM Mostly cloudy
62° 💧 0.000 in 💨 3 mph H 65%30.09 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
58° 💧 None 💨 1 mph H 79%30.09 inHg
Overcast night · 10:00 PM Overcast night
52° 💧 None 💨 3 mph H 92%30.09 inHg
Tuesday
Overcast night · 1:00 AM Overcast night
52° 💧 0.000 in 💨 0 mph H 88%30.06 inHg
Overcast night · 4:00 AM Overcast night
52° 💧 0.002 in 💨 1 mph H 87%30.03 inHg

In Startup and, more broadly, across the state of Washington: This morning, expect mostly cloudy skies with cool temperatures ranging from 38 to 48 degrees Fahrenheit. Light west winds will be present, blowing at up to 4 mph, with gusts reaching 9 mph. As the day progresses, conditions will remain mostly cloudy, and there is a high likelihood of rain, with potential accumulation around 0.79 inches. Winds will stay light, continuing from the west at similar speeds. It’s a damp and chilly day overall, so dressing warmly and preparing for some rainfall is advisable.

15-Day Weather Outlook for Startup

TomorrowTomorrow Overcast Overcast 62°/53° 💧 None 💨 5 mph
Tuesday, Sep 15Tue Sep 15 Partly cloudy Partly cloudy 62°/51° 💧 None 💨 3 mph
Wednesday, Sep 16Wed Sep 16 Mostly cloudy Mostly cloudy 68°/46° 💧 1.603 in 💨 6 mph
Thursday, Sep 17Thu Sep 17 Sunny Sunny 71°/50° 💧 None 💨 4 mph
Friday, Sep 18Fri Sep 18 Sunny Sunny 70°/55° 💧 None 💨 4 mph
Saturday, Sep 19Sat Sep 19 Sunny Sunny 68°/51° 💧 0.424 in 💨 4 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 62°/46° 💧 None 💨 4 mph
Monday, Sep 21Mon Sep 21 Mostly sunny Mostly sunny 64°/51° 💧 None 💨 3 mph
Tuesday, Sep 22Tue Sep 22 Mostly cloudy Mostly cloudy 64°/53° 💧 0.001 in 💨 3 mph
Wednesday, Sep 23Wed Sep 23 Light rain Light rain 58°/50° 💧 0.084 in 💨 4 mph
Thursday, Sep 24Thu Sep 24 Moderate rain Moderate rain 53°/45° 💧 0.560 in 💨 4 mph
Friday, Sep 25Fri Sep 25 Light rain Light rain 56°/41° 💧 0.026 in 💨 4 mph
Saturday, Sep 26Sat Sep 26 Mostly sunny Mostly sunny 60°/43° 💧 None 💨 5 mph
Sunday, Sep 27Sun Sep 27 Partly cloudy Partly cloudy 66°/46° 💧 None 💨 6 mph
Monday, Sep 28Mon Sep 28 Mostly sunny Mostly sunny 66°/66° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Startup

Vertical axis: °F · Color based on temperature
Moderate rain at 7:00 AM
52° Today 7:00 AM
Moderate rain at 8:00 AM
52° 8:00 AM
Moderate rain at 9:00 AM
52° 9:00 AM
Light rain at 10:00 AM
52° 10:00 AM
Light rain at 11:00 AM
52° Today 11:00 AM
Light rain at 12:00 PM
52° 12:00 PM
Light rain at 1:00 PM
53° 1:00 PM
Light rain at 2:00 PM
54° 2:00 PM
Light rain at 3:00 PM
55° Today 3:00 PM
Light rain at 4:00 PM
54° 4:00 PM
Light rain at 5:00 PM
54° 5:00 PM
Overcast at 6:00 PM
55° 6:00 PM
Light rain at 7:00 PM
54° Today 7:00 PM
Light rain at 8:00 PM
54° 8:00 PM
Light rain at 9:00 PM
54° 9:00 PM
Light rain at 10:00 PM
54° 10:00 PM
Light rain at 11:00 PM
53° Today 11:00 PM
Mostly cloudy night at 12:00 AM
53° 12:00 AM
Light rain at 1:00 AM
53° 1:00 AM
Overcast night at 2:00 AM
53° 2:00 AM
Overcast night at 3:00 AM
53° Tomorrow 3:00 AM
Overcast night at 4:00 AM
53° 4:00 AM
Overcast night at 5:00 AM
53° 5:00 AM
Overcast night at 6:00 AM
53° 6:00 AM
Overcast at 7:00 AM
53° Tomorrow 7:00 AM
Overcast at 8:00 AM
53° 8:00 AM
Overcast at 9:00 AM
54° 9:00 AM
Mostly cloudy at 10:00 AM
55° 10:00 AM
Light rain at 11:00 AM
57° Tomorrow 11:00 AM
Light rain at 12:00 PM
59° 12:00 PM
Light rain at 1:00 PM
60° 1:00 PM
Mostly cloudy at 2:00 PM
61° 2:00 PM
Partly cloudy at 3:00 PM
62° Tomorrow 3:00 PM
Mostly cloudy at 4:00 PM
62° 4:00 PM
Partly cloudy at 5:00 PM
62° 5:00 PM
Partly cloudy at 6:00 PM
61° 6:00 PM
Mostly cloudy at 7:00 PM
58° Tomorrow 7:00 PM
Partly cloudy night at 8:00 PM
55° 8:00 PM
Mostly cloudy night at 9:00 PM
54° 9:00 PM
Overcast night at 10:00 PM
52° 10:00 PM
Overcast night at 11:00 PM
52° Tomorrow 11:00 PM
Overcast night at 12:00 AM
51° 12:00 AM
Overcast night at 1:00 AM
52° 1:00 AM
Mostly cloudy night at 2:00 AM
52° 2:00 AM
Mostly cloudy night at 3:00 AM
52° Tuesday 3:00 AM
Overcast night at 4:00 AM
52° 4:00 AM
Overcast night at 5:00 AM
52° 5:00 AM
Overcast night at 6:00 AM
53° 6:00 AM
Overcast at 7:00 AM
53° Tuesday 7:00 AM
Light rain at 8:00 AM
53° 8:00 AM
Light rain at 9:00 AM
54° 9:00 AM
Light rain at 10:00 AM
54° 10:00 AM
Light rain at 11:00 AM
55° Tuesday 11:00 AM
Light rain at 12:00 PM
55° 12:00 PM
Light rain at 1:00 PM
56° 1:00 PM
Mostly cloudy at 2:00 PM
57° 2:00 PM
Mostly cloudy at 3:00 PM
59° Tuesday 3:00 PM
Light rain at 4:00 PM
60° 4:00 PM
Mostly cloudy at 5:00 PM
60° 5:00 PM
Partly cloudy night at 2:00 AM
46° 2:00 AM
Partly cloudy night at 5:00 AM
46° Wednesday 5:00 AM
Mostly sunny at 8:00 AM
49° 8:00 AM
Sunny at 11:00 AM
64° 11:00 AM
Sunny at 2:00 PM
68° 2:00 PM
Sunny at 5:00 PM
67° Wednesday 5:00 PM
Clear night at 8:00 PM
57° 8:00 PM
Clear night at 11:00 PM
53° 11:00 PM
Clear night at 2:00 AM
52° 2:00 AM
Clear night at 5:00 AM
50° Thursday 5:00 AM
Sunny at 8:00 AM
53° 8:00 AM
Sunny at 11:00 AM
69° 11:00 AM
Sunny at 2:00 PM
71° 2:00 PM
Sunny at 5:00 PM
69° Thursday 5:00 PM
Clear night at 8:00 PM
59° 8:00 PM
Clear night at 11:00 PM
57° 11:00 PM
Clear night at 2:00 AM
57° 2:00 AM
Clear night at 5:00 AM
55° Friday 5:00 AM
Sunny at 8:00 AM
58° 8:00 AM
Sunny at 11:00 AM
66° 11:00 AM
Sunny at 2:00 PM
70° 2:00 PM
Sunny at 5:00 PM
68° Friday 5:00 PM
Clear night at 8:00 PM
58° 8:00 PM
Clear night at 11:00 PM
55° 11:00 PM
Clear night at 5:00 AM
54° 5:00 AM
Sunny at 11:00 AM
51° Saturday 11:00 AM
Partly cloudy at 5:00 PM
60° 5:00 PM
Clear night at 11:00 PM
62° 11:00 PM
Partly cloudy night at 5:00 AM
49° 5:00 AM
Mostly sunny at 11:00 AM
46° Sunday 11:00 AM
Sunny at 5:00 PM
61° 5:00 PM
Clear night at 11:00 PM
64° 11:00 PM
Clear night at 5:00 AM
52° 5:00 AM
Mostly sunny at 11:00 AM
51° Monday 11:00 AM
Mostly cloudy at 5:00 PM
60° 5:00 PM
Mostly cloudy night at 11:00 PM
64° 11:00 PM
Overcast night at 5:00 AM
54° 5:00 AM
Overcast at 11:00 AM
53° Tuesday 11:00 AM
Overcast at 5:00 PM
56° 5:00 PM
Overcast night at 11:00 PM
58° 11:00 PM
Light rain at 5:00 AM
51° 5:00 AM
Light rain at 11:00 AM
50° Wednesday 11:00 AM
Moderate rain at 5:00 PM
49° 5:00 PM
Light rain at 11:00 PM
53° 11:00 PM
Light rain at 5:00 AM
45° 5:00 AM
Light rain at 11:00 AM
46° Thursday 11:00 AM
Light rain at 5:00 PM
50° 5:00 PM
Mostly clear night at 11:00 PM
56° 11:00 PM
Clear night at 5:00 AM
44° 5:00 AM
Sunny at 11:00 AM
41° Friday 11:00 AM
Sunny at 5:00 PM
58° 5:00 PM
Mostly clear night at 11:00 PM
60° 11:00 PM
Clear night at 5:00 AM
46° 5:00 AM
Sunny at 11:00 AM
43° Saturday 11:00 AM
Partly cloudy at 5:00 PM
65° 5:00 PM
Clear night at 11:00 PM
66° 11:00 PM
Clear night at 5:00 AM
48° 5:00 AM
Sunny at 11:00 AM
46° Sunday 11:00 AM
Sunny at 5:00 PM
66° 5:00 PM
Mostly clear night at 11:00 PM
66° 11:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Startup

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 7:00 AM
PM2.5 Fine particles Good 1,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 23,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Startup

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 0,6Low 😊Good
Tomorrow UV 3,7Moderate 😊Good
Tuesday UV 4,5Moderate 😊Good
Wednesday UV 5,2Moderate 🙂Fair
Thursday UV 7,0High 😊Good
Friday UV 7,0High Unavailable
Saturday UV 7,0High Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,0 10:00 AMUV 0,1 11:00 AMUV 0,2 12:00 PMUV 0,3 1:00 PMUV 0,4 2:00 PMUV 0,6 3:00 PMUV 0,6 4:00 PMUV 0,2 5:00 PMUV 0,1 6:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Startup

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 7:00 AM 8:00 AM 9:00 AM 10:00 AM Today 11:00 AM 12:00 PM 1:00 PM 2:00 PM Today 3:00 PM 4:00 PM 5:00 PM 6:00 PM Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tuesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tuesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tuesday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tuesday 3:00 PM 4:00 PM 5:00 PM 2:00 AM Wednesday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Wednesday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Thursday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Thursday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Friday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Friday 5:00 PM 8:00 PM 11:00 PM 5:00 AM Saturday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Sunday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Monday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Tuesday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Wednesday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Thursday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Friday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Saturday 11:00 AM 5:00 PM 11:00 PM 5:00 AM Sunday 11:00 AM 5:00 PM 11:00 PM
Sustained wind Max gusts
NIGHT SKY · STARTUP, WASHINGTON

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

32/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
Cloud cover 84% Real hourly forecast for the best viewing hour.
Moonlight 7% Waxing Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 40° high at the best hour.
Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Startup were last refreshed today at 6:19 AM. The current forecast period extends through 15/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.