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Now · 6:07 PM

Harrington Weather & Hourly Forecast

United States · Washington · 99134

Mostly cloudy
72°F
Mostly cloudy
Feels like: 63°F
💧 Humidity 27% 🌡 Pressure 29.74 inHg 💨 Wind 11 mph 👁 Visibility 26.9 mi Clouds 84% ☀️ UV index 0.2 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Harrington

Today
Mostly cloudy · 7:00 PM Mostly cloudy
69° 💧 None 💨 9 mph H 33%29.74 inHg
Overcast night · 10:00 PM Overcast night
64° 💧 0.044 in 💨 8 mph H 42%29.74 inHg
Tomorrow
Light rain · 1:00 AM Light rain
58° 💧 0.036 in 💨 6 mph H 70%29.74 inHg
Light rain · 4:00 AM Light rain
55° 💧 0.057 in 💨 3 mph H 88%29.74 inHg
Light rain · 7:00 AM Light rain
53° 💧 0.065 in 💨 12 mph H 93%29.77 inHg
Light rain · 10:00 AM Light rain
51° 💧 0.075 in 💨 14 mph H 97%29.83 inHg
Light rain · 1:00 PM Light rain
51° 💧 0.105 in 💨 13 mph H 92%29.88 inHg
Light rain · 4:00 PM Light rain
53° 💧 0.010 in 💨 14 mph H 78%29.91 inHg
Overcast · 7:00 PM Overcast
51° 💧 0.010 in 💨 10 mph H 86%29.94 inHg
Light rain · 10:00 PM Light rain
51° 💧 0.018 in 💨 8 mph H 97%29.97 inHg
Monday
Clear night · 1:00 AM Clear night
50° 💧 0.000 in 💨 9 mph H 96%29.97 inHg
Clear night · 4:00 AM Clear night
47° 💧 None 💨 8 mph H 95%30.00 inHg
Sunny · 7:00 AM Sunny
46° 💧 None 💨 7 mph H 95%30.06 inHg
Partly cloudy · 10:00 AM Partly cloudy
55° 💧 None 💨 7 mph H 69%30.09 inHg
Partly cloudy · 1:00 PM Partly cloudy
63° 💧 None 💨 7 mph H 52%30.06 inHg
Mostly sunny · 4:00 PM Mostly sunny
65° 💧 None 💨 7 mph H 48%30.03 inHg

In Harrington and, more broadly, across the state of Washington: As the afternoon comes to a close, mostly cloudy skies will dominate the scene, with temperatures remaining mild between 50 and 65 degrees Fahrenheit. Light southwest winds, generally around 4 mph, may occasionally gust up to 8 mph. There is a possibility of rain, with an expected accumulation of about 0.17 inches, especially during the evening hours. Conditions are unlikely to be severe, but a brief shower could occur. Temperatures will gradually decrease into the evening, providing a cool but comfortable end to the day. Overall, residents can expect a calm evening with the chance for some light rain later on.

15-Day Weather Outlook for Harrington

Monday, Sep 14Mon Sep 14 Overcast Overcast 65°/46° 💧 None 💨 13 mph
Tuesday, Sep 15Tue Sep 15 Partly cloudy Partly cloudy 64°/47° 💧 0.627 in 💨 7 mph
Wednesday, Sep 16Wed Sep 16 Partly cloudy Partly cloudy 71°/49° 💧 0.007 in 💨 10 mph
Thursday, Sep 17Thu Sep 17 Partly cloudy Partly cloudy 77°/52° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Sunny Sunny 77°/50° 💧 None 💨 6 mph
Saturday, Sep 19Sat Sep 19 Sunny Sunny 79°/58° 💧 None 💨 7 mph
Sunday, Sep 20Sun Sep 20 Mostly sunny Mostly sunny 81°/55° 💧 None 💨 6 mph
Monday, Sep 21Mon Sep 21 Mostly sunny Mostly sunny 84°/65° 💧 0.016 in 💨 9 mph
Tuesday, Sep 22Tue Sep 22 Light rain Light rain 69°/51° 💧 0.022 in 💨 4 mph
Wednesday, Sep 23Wed Sep 23 Mostly cloudy Mostly cloudy 72°/52° 💧 None 💨 6 mph
Thursday, Sep 24Thu Sep 24 Mostly sunny Mostly sunny 74°/54° 💧 None 💨 7 mph
Friday, Sep 25Fri Sep 25 Partly cloudy Partly cloudy 74°/54° 💧 None 💨 7 mph
Saturday, Sep 26Sat Sep 26 Sunny Sunny 81°/62° 💧 None 💨 10 mph
Sunday, Sep 27Sun Sep 27 Sunny Sunny 88°/68° 💧 None 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harrington

Vertical axis: °F · Color based on temperature
Mostly cloudy at 7:00 PM
69° Today 7:00 PM
Overcast night at 8:00 PM
66° 8:00 PM
Overcast night at 9:00 PM
65° 9:00 PM
Overcast night at 10:00 PM
64° 10:00 PM
Overcast night at 11:00 PM
63° Today 11:00 PM
Light rain at 12:00 AM
61° 12:00 AM
Light rain at 1:00 AM
58° 1:00 AM
Light rain at 2:00 AM
57° 2:00 AM
Light rain at 3:00 AM
55° Tomorrow 3:00 AM
Light rain at 4:00 AM
55° 4:00 AM
Light rain at 5:00 AM
54° 5:00 AM
Light rain at 6:00 AM
54° 6:00 AM
Light rain at 7:00 AM
53° Tomorrow 7:00 AM
Light rain at 8:00 AM
52° 8:00 AM
Light rain at 9:00 AM
52° 9:00 AM
Light rain at 10:00 AM
51° 10:00 AM
Light rain at 11:00 AM
52° Tomorrow 11:00 AM
Light rain at 12:00 PM
52° 12:00 PM
Light rain at 1:00 PM
51° 1:00 PM
Light rain at 2:00 PM
51° 2:00 PM
Light rain at 3:00 PM
51° Tomorrow 3:00 PM
Light rain at 4:00 PM
53° 4:00 PM
Overcast at 5:00 PM
52° 5:00 PM
Overcast at 6:00 PM
52° 6:00 PM
Overcast at 7:00 PM
51° Tomorrow 7:00 PM
Overcast night at 8:00 PM
51° 8:00 PM
Light rain at 9:00 PM
51° 9:00 PM
Light rain at 10:00 PM
51° 10:00 PM
Light rain at 11:00 PM
51° Tomorrow 11:00 PM
Mostly cloudy night at 12:00 AM
50° 12:00 AM
Clear night at 1:00 AM
50° 1:00 AM
Clear night at 2:00 AM
49° 2:00 AM
Clear night at 3:00 AM
48° Monday 3:00 AM
Clear night at 4:00 AM
47° 4:00 AM
Clear night at 5:00 AM
47° 5:00 AM
Clear night at 6:00 AM
46° 6:00 AM
Sunny at 7:00 AM
46° Monday 7:00 AM
Sunny at 8:00 AM
48° 8:00 AM
Sunny at 9:00 AM
51° 9:00 AM
Partly cloudy at 10:00 AM
55° 10:00 AM
Mostly cloudy at 11:00 AM
59° Monday 11:00 AM
Mostly cloudy at 12:00 PM
61° 12:00 PM
Partly cloudy at 1:00 PM
63° 1:00 PM
Partly cloudy at 2:00 PM
64° 2:00 PM
Mostly cloudy at 3:00 PM
65° Monday 3:00 PM
Mostly sunny at 4:00 PM
65° 4:00 PM
Sunny at 5:00 PM
64° 5:00 PM
Sunny at 6:00 PM
62° 6:00 PM
Sunny at 7:00 PM
58° Monday 7:00 PM
Partly cloudy night at 8:00 PM
55° 8:00 PM
Mostly cloudy night at 9:00 PM
53° 9:00 PM
Mostly cloudy night at 10:00 PM
51° 10:00 PM
Mostly cloudy night at 11:00 PM
50° Monday 11:00 PM
Overcast night at 12:00 AM
50° 12:00 AM
Overcast night at 1:00 AM
49° 1:00 AM
Overcast night at 2:00 AM
49° 2:00 AM
Overcast night at 3:00 AM
49° Tuesday 3:00 AM
Mostly cloudy night at 4:00 AM
48° 4:00 AM
Overcast night at 5:00 AM
47° 5:00 AM
Overcast at 2:00 PM
64° 2:00 PM
Overcast at 5:00 PM
61° Tuesday 5:00 PM
Partly cloudy night at 8:00 PM
54° 8:00 PM
Partly cloudy night at 11:00 PM
52° 11:00 PM
Overcast night at 2:00 AM
50° 2:00 AM
Clear night at 5:00 AM
49° Wednesday 5:00 AM
Sunny at 8:00 AM
53° 8:00 AM
Sunny at 11:00 AM
65° 11:00 AM
Sunny at 2:00 PM
71° 2:00 PM
Sunny at 5:00 PM
72° Wednesday 5:00 PM
Clear night at 8:00 PM
59° 8:00 PM
Clear night at 11:00 PM
55° 11:00 PM
Clear night at 2:00 AM
53° 2:00 AM
Clear night at 5:00 AM
52° Thursday 5:00 AM
Sunny at 8:00 AM
56° 8:00 AM
Sunny at 11:00 AM
71° 11:00 AM
Partly cloudy at 2:00 PM
77° 2:00 PM
Sunny at 5:00 PM
77° Thursday 5:00 PM
Clear night at 8:00 PM
63° 8:00 PM
Clear night at 11:00 PM
58° 11:00 PM
Clear night at 2:00 AM
54° 2:00 AM
Clear night at 5:00 AM
50° Friday 5:00 AM
Sunny at 8:00 AM
54° 8:00 AM
Sunny at 11:00 AM
68° 11:00 AM
Sunny at 5:00 PM
72° 5:00 PM
Clear night at 11:00 PM
79° Friday 11:00 PM
Clear night at 5:00 AM
62° 5:00 AM
Sunny at 11:00 AM
58° 11:00 AM
Sunny at 5:00 PM
75° 5:00 PM
Clear night at 11:00 PM
81° Saturday 11:00 PM
Mostly clear night at 5:00 AM
63° 5:00 AM
Sunny at 11:00 AM
55° 11:00 AM
Sunny at 5:00 PM
78° 5:00 PM
Mostly clear night at 11:00 PM
84° Sunday 11:00 PM
Overcast night at 5:00 AM
69° 5:00 AM
Overcast at 11:00 AM
65° 11:00 AM
Light rain at 5:00 PM
67° 5:00 PM
Overcast night at 11:00 PM
69° Monday 11:00 PM
Overcast night at 5:00 AM
57° 5:00 AM
Sunny at 11:00 AM
51° 11:00 AM
Sunny at 5:00 PM
64° 5:00 PM
Clear night at 11:00 PM
72° Tuesday 11:00 PM
Clear night at 5:00 AM
57° 5:00 AM
Mostly cloudy at 11:00 AM
52° 11:00 AM
Mostly sunny at 5:00 PM
71° 5:00 PM
Overcast night at 11:00 PM
74° Wednesday 11:00 PM
Mostly clear night at 5:00 AM
59° 5:00 AM
Mostly sunny at 11:00 AM
54° 11:00 AM
Sunny at 5:00 PM
69° 5:00 PM
Partly cloudy night at 11:00 PM
74° Thursday 11:00 PM
Clear night at 5:00 AM
58° 5:00 AM
Sunny at 11:00 AM
54° 11:00 AM
Sunny at 5:00 PM
73° 5:00 PM
Clear night at 11:00 PM
81° Friday 11:00 PM
Clear night at 5:00 AM
66° 5:00 AM
Sunny at 11:00 AM
62° 11:00 AM
Sunny at 5:00 PM
79° 5:00 PM
Clear night at 11:00 PM
88° Saturday 11:00 PM
Clear night at 5:00 AM
72° 5:00 AM
Sunny at 11:00 AM
68° 11:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Harrington

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

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

O₃ Ozone Moderate 111,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,7µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Harrington

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 3,9Moderate 😐Moderate
Tomorrow UV 2,8Low 🙂Fair
Monday UV 5,1Moderate 🙂Fair
Tuesday UV 4,0Moderate 🙂Fair
Wednesday UV 5,0Moderate 🙂Fair
Thursday UV 6,0High Unavailable
Friday UV 6,0High Unavailable
Hourly UV index today
7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed. Dry air can increase hydration needs.

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 Harrington

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

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

29/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
Cloud cover 98% Real hourly forecast for the best viewing hour.
Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 15° 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 Harrington were last refreshed today at 6:07 PM. The current forecast period extends through 14/09/2026 at 4:00 PM. 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.