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Now · 10:14 AM

Fairfield Weather & Hourly Forecast

United States · Washington · 99012

Mostly cloudy
55°F
Mostly cloudy
Feels like: 53°F
💧 Humidity 69% 🌡 Pressure 29.85 inHg 💨 Wind 15 mph 👁 Visibility 6.2 mi Clouds 78% ☀️ UV index 2.2 · Low 🌅 Sunrise 6:10 AM 🌇 Sunset 7:25 PM

Hourly Forecast for Fairfield

Today
Mostly cloudy · 11:00 AM Mostly cloudy
55° 💧 None 💨 15 mph H 69%29.85 inHg
Overcast · 2:00 PM Overcast
61° 💧 None 💨 12 mph H 48%29.83 inHg
Overcast · 5:00 PM Overcast
61° 💧 None 💨 6 mph H 36%29.77 inHg
Overcast night · 8:00 PM Overcast night
57° 💧 None 💨 3 mph H 45%29.77 inHg
Overcast night · 11:00 PM Overcast night
53° 💧 None 💨 5 mph H 48%29.74 inHg
Tomorrow
Light rain · 2:00 AM Light rain
51° 💧 0.01 in 💨 4 mph H 61%29.77 inHg
Overcast night · 5:00 AM Overcast night
50° 💧 None 💨 1 mph H 71%29.80 inHg
Overcast · 8:00 AM Overcast
48° 💧 0.02 in 💨 4 mph H 72%29.88 inHg
Light rain · 11:00 AM Light rain
49° 💧 0.01 in 💨 5 mph H 82%29.97 inHg
Overcast · 2:00 PM Overcast
54° 💧 None 💨 1 mph H 76%30.00 inHg
Overcast · 5:00 PM Overcast
53° 💧 None 💨 3 mph H 57%29.97 inHg
Partly cloudy night · 8:00 PM Partly cloudy night
49° 💧 None 💨 4 mph H 68%30.00 inHg
Mostly cloudy night · 11:00 PM Mostly cloudy night
48° 💧 None 💨 5 mph H 76%30.03 inHg
Saturday
Mostly cloudy night · 2:00 AM Mostly cloudy night
46° 💧 None 💨 5 mph H 83%30.03 inHg
Mostly cloudy night · 5:00 AM Mostly cloudy night
44° 💧 None 💨 5 mph H 90%30.03 inHg
Mostly cloudy · 8:00 AM Mostly cloudy
49° 💧 0.02 in 💨 5 mph H 74%30.06 inHg

In Fairfield and, more broadly, across the state of Washington: This morning brings mostly cloudy skies with cool temperatures ranging from 43 to 57 degrees Fahrenheit. Light northwest winds at around 5 mph, with gusts reaching 6 mph, create a gentle breeze. As the day progresses, skies will remain mostly cloudy, and there is a high likelihood of rain, with up to about 0.14 inches possible. Temperatures are expected to stay within the cool range, making for a relatively brisk day. The rain could arrive at any time, so it’s a good idea to have an umbrella handy if you’re heading outdoors. Overall, expect a gray day with the chance of light rain and mild winds.

15-Day Weather Outlook for Fairfield

TomorrowTomorrow Light rain Light rain 54°/48° 💧 0.04 in 💨 7 mph
Saturday, Sep 5Sat Sep 5 Moderate rain Moderate rain 58°/43° 💧 0.24 in 💨 7 mph
Sunday, Sep 6Sun Sep 6 Overcast Overcast 71°/44° 💧 None 💨 7 mph
Monday, Sep 7Mon Sep 7 Partly cloudy Partly cloudy 72°/52° 💧 None 💨 14 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 76°/53° 💧 None 💨 7 mph
Wednesday, Sep 9Wed Sep 9 Sunny Sunny 81°/55° 💧 None 💨 8 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 84°/58° 💧 None 💨 4 mph
Friday, Sep 11Fri Sep 11 Overcast Overcast 68°/57° 💧 None 💨 13 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 61°/54° 💧 0.15 in 💨 16 mph
Sunday, Sep 13Sun Sep 13 Sunny Sunny 63°/48° 💧 None 💨 17 mph
Monday, Sep 14Mon Sep 14 Mostly cloudy Mostly cloudy 67°/46° 💧 None 💨 9 mph
Tuesday, Sep 15Tue Sep 15 Sunny Sunny 73°/50° 💧 None 💨 12 mph
Wednesday, Sep 16Wed Sep 16 Mostly cloudy Mostly cloudy 77°/52° 💧 None 💨 7 mph
Thursday, Sep 17Thu Sep 17 Sunny Sunny 78°/56° 💧 None 💨 6 mph
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 80°/56° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fairfield

Vertical axis: °F · Color based on temperature
Mostly cloudy at 11:00 AM
55° Today 11:00 AM
Overcast at 12:00 PM
57° 12:00 PM
Overcast at 1:00 PM
59° 1:00 PM
Overcast at 2:00 PM
61° 2:00 PM
Overcast at 3:00 PM
62° Today 3:00 PM
Overcast at 4:00 PM
63° 4:00 PM
Overcast at 5:00 PM
61° 5:00 PM
Overcast at 6:00 PM
60° 6:00 PM
Overcast at 7:00 PM
54° Today 7:00 PM
Overcast night at 8:00 PM
57° 8:00 PM
Overcast night at 9:00 PM
57° 9:00 PM
Overcast night at 10:00 PM
56° 10:00 PM
Overcast night at 11:00 PM
53° Today 11:00 PM
Overcast night at 12:00 AM
52° 12:00 AM
Overcast night at 1:00 AM
51° 1:00 AM
Light rain at 2:00 AM
51° 2:00 AM
Light rain at 3:00 AM
49° Tomorrow 3:00 AM
Overcast night at 4:00 AM
50° 4:00 AM
Overcast night at 5:00 AM
50° 5:00 AM
Overcast night at 6:00 AM
51° 6:00 AM
Overcast at 7:00 AM
49° Tomorrow 7:00 AM
Overcast at 8:00 AM
48° 8:00 AM
Light rain at 9:00 AM
48° 9:00 AM
Light rain at 10:00 AM
48° 10:00 AM
Light rain at 11:00 AM
49° Tomorrow 11:00 AM
Light rain at 12:00 PM
53° 12:00 PM
Overcast at 1:00 PM
53° 1:00 PM
Overcast at 2:00 PM
54° 2:00 PM
Overcast at 3:00 PM
53° Tomorrow 3:00 PM
Overcast at 4:00 PM
53° 4:00 PM
Overcast at 5:00 PM
53° 5:00 PM
Mostly cloudy at 6:00 PM
53° 6:00 PM
Mostly cloudy at 7:00 PM
48° Tomorrow 7:00 PM
Partly cloudy night at 8:00 PM
49° 8:00 PM
Partly cloudy night at 9:00 PM
49° 9:00 PM
Partly cloudy night at 10:00 PM
48° 10:00 PM
Mostly cloudy night at 11:00 PM
48° Tomorrow 11:00 PM
Overcast night at 12:00 AM
48° 12:00 AM
Overcast night at 1:00 AM
47° 1:00 AM
Mostly cloudy night at 2:00 AM
46° 2:00 AM
Mostly cloudy night at 3:00 AM
45° Saturday 3:00 AM
Mostly cloudy night at 4:00 AM
44° 4:00 AM
Mostly cloudy night at 5:00 AM
44° 5:00 AM
Partly cloudy night at 6:00 AM
43° 6:00 AM
Mostly cloudy at 7:00 AM
46° Saturday 7:00 AM
Mostly cloudy at 8:00 AM
49° 8:00 AM
Overcast at 9:00 AM
52° 9:00 AM
Light rain at 10:00 AM
52° 10:00 AM
Moderate rain at 11:00 AM
51° Saturday 11:00 AM
Moderate rain at 12:00 PM
50° 12:00 PM
Moderate rain at 1:00 PM
49° 1:00 PM
Moderate rain at 2:00 PM
50° 2:00 PM
Overcast at 3:00 PM
54° Saturday 3:00 PM
Mostly cloudy at 4:00 PM
57° 4:00 PM
Mostly cloudy at 5:00 PM
58° 5:00 PM
Sunny at 6:00 PM
57° 6:00 PM
Sunny at 7:00 PM
53° Saturday 7:00 PM
Clear night at 8:00 PM
49° 8:00 PM
Clear night at 9:00 PM
48° 9:00 PM
Clear night at 10:00 PM
47° 10:00 PM
Clear night at 11:00 PM
46° Saturday 11:00 PM
Clear night at 12:00 AM
46° 12:00 AM
Mostly clear night at 1:00 AM
45° 1:00 AM
Partly cloudy night at 2:00 AM
44° 2:00 AM
Mostly cloudy night at 3:00 AM
44° Sunday 3:00 AM
Mostly cloudy night at 4:00 AM
44° 4:00 AM
Mostly cloudy night at 5:00 AM
44° 5:00 AM
Overcast night at 6:00 AM
44° 6:00 AM
Overcast at 7:00 AM
45° Sunday 7:00 AM
Overcast at 8:00 AM
48° 8:00 AM
Overcast at 9:00 AM
52° 9:00 AM
Overcast at 10:00 AM
56° 10:00 AM
Overcast at 11:00 AM
57° Sunday 11:00 AM
Overcast at 12:00 PM
60° 12:00 PM
Mostly cloudy at 1:00 PM
65° 1:00 PM
Mostly cloudy at 2:00 PM
68° 2:00 PM
Partly cloudy at 3:00 PM
70° Sunday 3:00 PM
Partly cloudy at 4:00 PM
71° 4:00 PM
Partly cloudy at 5:00 PM
71° 5:00 PM
Sunny at 6:00 PM
69° 6:00 PM
Sunny at 7:00 PM
63° Sunday 7:00 PM
Mostly clear night at 8:00 PM
60° 8:00 PM
Partly cloudy night at 9:00 PM
60° 9:00 PM
Partly cloudy night at 10:00 PM
60° 10:00 PM
Mostly cloudy night at 11:00 PM
59° Sunday 11:00 PM
Mostly cloudy night at 12:00 AM
57° 12:00 AM
Mostly cloudy night at 1:00 AM
55° 1:00 AM
Mostly cloudy night at 2:00 AM
54° 2:00 AM
Mostly cloudy night at 3:00 AM
53° Monday 3:00 AM
Mostly cloudy night at 4:00 AM
53° 4:00 AM
Mostly cloudy night at 5:00 AM
52° 5:00 AM
Mostly cloudy night at 6:00 AM
51° 6:00 AM
Mostly cloudy at 7:00 AM
52° Monday 7:00 AM
Partly cloudy at 8:00 AM
56° 8:00 AM
Partly cloudy at 9:00 AM
60° 9:00 AM
Partly cloudy at 10:00 AM
63° 10:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Fairfield

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 11:00 AM
PM2.5 Fine particles Good 0,5µg/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 0,5µg/m³

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

O₃ Ozone Fair 69,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,6µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Fairfield

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 5,2Moderate 🙂Fair
Tomorrow UV 2,7Low 🙂Fair
Saturday UV 3,5Moderate 🙂Fair
Sunday UV 4,0Moderate 🙂Fair
Monday UV 6,0High 🙂Fair
Tuesday UV 5,0Moderate Unavailable
Wednesday UV 6,0High Unavailable
Hourly UV index today
11:00 AMUV 3,9 12:00 PMUV 4,8 1:00 PMUV 5,2 2:00 PMUV 4,6 3:00 PMUV 3,4 4:00 PMUV 2,2 5:00 PMUV 0,9 6:00 PMUV 0,3 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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Fairfield

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. 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 Saturday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Saturday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Saturday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Saturday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Saturday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Saturday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Sunday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Sunday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Sunday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Sunday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Sunday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Sunday 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
Sustained wind Max gusts
Internal PR simulation: 3.48 Population: 621

Forecast data for Fairfield were last refreshed today at 10:14 AM. The current forecast period extends through 05/09/2026 at 8:00 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.