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Now · 5:44 PM

Fairfield Weather & Hourly Forecast

United States · Pennsylvania · 17320

Thunderstorms
71°F
Thunderstorms
Feels like: 75°F
💧 Humidity 97% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility 7.4 mi Clouds 48% ☀️ UV index 0.3 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Fairfield

Today
Mostly sunny · 6:00 PM Mostly sunny
72° 💧 0.053 in 💨 4 mph H 94%29.85 inHg
Light rain · 9:00 PM Light rain
69° 💧 0.008 in 💨 3 mph H 97%29.91 inHg
Tomorrow
Partly cloudy night · 12:00 AM Partly cloudy night
67° 💧 None 💨 7 mph H 97%29.97 inHg
Mostly cloudy night · 3:00 AM Mostly cloudy night
63° 💧 0.000 in 💨 7 mph H 97%30.00 inHg
Mostly cloudy night · 6:00 AM Mostly cloudy night
60° 💧 0.002 in 💨 9 mph H 96%30.00 inHg
Overcast · 9:00 AM Overcast
61° 💧 0.001 in 💨 7 mph H 90%30.06 inHg
Overcast · 12:00 PM Overcast
63° 💧 0.037 in 💨 8 mph H 78%30.09 inHg
Light rain · 3:00 PM Light rain
63° 💧 0.088 in 💨 8 mph H 89%30.06 inHg
Light rain · 6:00 PM Light rain
62° 💧 0.139 in 💨 8 mph H 97%30.03 inHg
Light rain · 9:00 PM Light rain
58° 💧 0.146 in 💨 8 mph H 97%30.09 inHg
Tuesday
Light rain · 12:00 AM Light rain
58° 💧 0.189 in 💨 10 mph H 98%30.09 inHg
Moderate rain · 3:00 AM Moderate rain
58° 💧 0.375 in 💨 10 mph H 99%30.09 inHg
Moderate rain · 6:00 AM Moderate rain
57° 💧 0.248 in 💨 11 mph H 99%30.12 inHg
Light rain · 9:00 AM Light rain
55° 💧 0.255 in 💨 12 mph H 99%30.18 inHg
Light rain · 12:00 PM Light rain
55° 💧 0.151 in 💨 11 mph H 99%30.24 inHg
Light rain · 3:00 PM Light rain
56° 💧 0.054 in 💨 11 mph H 97%30.24 inHg

In Fairfield and, more broadly, across the state of Pennsylvania: As the afternoon progresses into the evening, expect mostly cloudy skies with temperatures remaining mild, ranging from 65 to 72 degrees Fahrenheit. Light north winds will persist, with speeds up to 8 mph and occasional gusts reaching around 18 mph. There is a possibility of light rain, with total accumulation around 0.02 inches, and a maximum probability of about 31%. Overall, conditions will be relatively calm, but a brief shower could occur late in the evening. Temperatures will gradually stay steady as night approaches, making for a comfortable and slightly damp end to the day.

15-Day Weather Outlook for Fairfield

TomorrowTomorrow Partly cloudy Partly cloudy 67°/58° 💧 None 💨 9 mph
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 59°/54° 💧 None 💨 13 mph
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 64°/52° 💧 1.862 in 💨 13 mph
Thursday, Sep 24Thu Sep 24 Overcast Overcast 61°/51° 💧 0.002 in 💨 12 mph
Friday, Sep 25Fri Sep 25 Overcast Overcast 66°/51° 💧 0.004 in 💨 14 mph
Saturday, Sep 26Sat Sep 26 Overcast Overcast 64°/58° 💧 0.010 in 💨 16 mph
Sunday, Sep 27Sun Sep 27 Overcast Overcast 65°/60° 💧 None 💨 13 mph
Monday, Sep 28Mon Sep 28 Overcast Overcast 66°/63° 💧 0.002 in 💨 10 mph
Tuesday, Sep 29Tue Sep 29 Moderate rain Moderate rain 65°/60° 💧 0.270 in 💨 6 mph
Wednesday, Sep 30Wed Sep 30 Light rain Light rain 73°/58° 💧 0.065 in 💨 9 mph
Thursday, Oct 1Thu Oct 1 Very heavy rain Very heavy rain 72°/65° 💧 0.800 in 💨 13 mph
Friday, Oct 2Fri Oct 2 Very heavy rain Very heavy rain 70°/68° 💧 4.862 in 💨 15 mph
Saturday, Oct 3Sat Oct 3 Partly cloudy Partly cloudy 72°/59° 💧 0.025 in 💨 9 mph
Sunday, Oct 4Sun Oct 4 Partly cloudy Partly cloudy 75°/61° 💧 0.034 in 💨 8 mph
Monday, Oct 5Mon Oct 5 Sunny Sunny 60°/58° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fairfield

Vertical axis: °F · Color based on temperature
Mostly sunny at 6:00 PM
72° Today 6:00 PM
Mostly cloudy at 7:00 PM
71° 7:00 PM
Light rain at 8:00 PM
69° 8:00 PM
Light rain at 9:00 PM
69° 9:00 PM
Mostly cloudy night at 10:00 PM
68° Today 10:00 PM
Partly cloudy night at 11:00 PM
68° 11:00 PM
Partly cloudy night at 12:00 AM
67° 12:00 AM
Partly cloudy night at 1:00 AM
65° 1:00 AM
Partly cloudy night at 2:00 AM
64° Tomorrow 2:00 AM
Mostly cloudy night at 3:00 AM
63° 3:00 AM
Mostly cloudy night at 4:00 AM
62° 4:00 AM
Mostly cloudy night at 5:00 AM
61° 5:00 AM
Mostly cloudy night at 6:00 AM
60° Tomorrow 6:00 AM
Mostly cloudy at 7:00 AM
60° 7:00 AM
Mostly cloudy at 8:00 AM
60° 8:00 AM
Overcast at 9:00 AM
61° 9:00 AM
Overcast at 10:00 AM
62° Tomorrow 10:00 AM
Overcast at 11:00 AM
62° 11:00 AM
Overcast at 12:00 PM
63° 12:00 PM
Light rain at 1:00 PM
63° 1:00 PM
Light rain at 2:00 PM
63° Tomorrow 2:00 PM
Light rain at 3:00 PM
63° 3:00 PM
Light rain at 4:00 PM
63° 4:00 PM
Light rain at 5:00 PM
62° 5:00 PM
Light rain at 6:00 PM
62° Tomorrow 6:00 PM
Light rain at 7:00 PM
60° 7:00 PM
Light rain at 8:00 PM
58° 8:00 PM
Light rain at 9:00 PM
58° 9:00 PM
Light rain at 10:00 PM
58° Tomorrow 10:00 PM
Light rain at 11:00 PM
58° 11:00 PM
Light rain at 12:00 AM
58° 12:00 AM
Light rain at 1:00 AM
59° 1:00 AM
Light rain at 2:00 AM
58° Tuesday 2:00 AM
Moderate rain at 3:00 AM
58° 3:00 AM
Light rain at 4:00 AM
57° 4:00 AM
Moderate rain at 5:00 AM
57° 5:00 AM
Moderate rain at 6:00 AM
57° Tuesday 6:00 AM
Light rain at 7:00 AM
56° 7:00 AM
Light rain at 8:00 AM
56° 8:00 AM
Light rain at 9:00 AM
55° 9:00 AM
Light rain at 10:00 AM
55° Tuesday 10:00 AM
Moderate rain at 11:00 AM
55° 11:00 AM
Light rain at 12:00 PM
55° 12:00 PM
Light rain at 1:00 PM
55° 1:00 PM
Light rain at 2:00 PM
57° Tuesday 2:00 PM
Light rain at 3:00 PM
56° 3:00 PM
Light rain at 4:00 PM
56° 4:00 PM
Light rain at 5:00 PM
55° 5:00 PM
Light rain at 6:00 PM
54° Tuesday 6:00 PM
Light rain at 7:00 PM
54° 7:00 PM
Light rain at 8:00 PM
54° 8:00 PM
Light rain at 9:00 PM
54° 9:00 PM
Overcast night at 10:00 PM
55° Tuesday 10:00 PM
Overcast night at 11:00 PM
55° 11:00 PM
Overcast night at 12:00 AM
55° 12:00 AM
Overcast night at 1:00 AM
55° 1:00 AM
Overcast night at 2:00 AM
54° Wednesday 2:00 AM
Overcast night at 3:00 AM
54° 3:00 AM
Overcast night at 4:00 AM
54° 4:00 AM
Overcast night at 5:00 AM
53° 5:00 AM
Mostly cloudy night at 6:00 AM
52° Wednesday 6:00 AM
Overcast at 7:00 AM
52° 7:00 AM
Overcast at 8:00 AM
52° 8:00 AM
Mostly sunny at 11:00 AM
59° 11:00 AM
Overcast at 2:00 PM
64° Wednesday 2:00 PM
Overcast at 5:00 PM
63° 5:00 PM
Partly cloudy night at 8:00 PM
59° 8:00 PM
Mostly cloudy night at 11:00 PM
55° 11:00 PM
Overcast night at 2:00 AM
53° Thursday 2:00 AM
Partly cloudy night at 5:00 AM
51° 5:00 AM
Overcast at 8:00 AM
53° 8:00 AM
Overcast at 11:00 AM
57° 11:00 AM
Overcast at 2:00 PM
61° Thursday 2:00 PM
Overcast at 5:00 PM
61° 5:00 PM
Overcast night at 8:00 PM
57° 8:00 PM
Overcast night at 11:00 PM
54° 11:00 PM
Overcast night at 2:00 AM
54° Friday 2:00 AM
Mostly cloudy night at 5:00 AM
51° 5:00 AM
Mostly cloudy at 8:00 AM
52° 8:00 AM
Mostly cloudy at 11:00 AM
61° 11:00 AM
Overcast at 2:00 PM
66° Friday 2:00 PM
Overcast at 5:00 PM
66° 5:00 PM
Overcast night at 8:00 PM
63° 8:00 PM
Overcast night at 11:00 PM
59° 11:00 PM
Overcast night at 2:00 AM
59° Saturday 2:00 AM
Overcast night at 5:00 AM
58° 5:00 AM
Overcast at 8:00 AM
58° 8:00 AM
Overcast at 2:00 PM
64° 2:00 PM
Overcast night at 8:00 PM
64° Saturday 8:00 PM
Overcast night at 2:00 AM
60° 2:00 AM
Mostly cloudy at 8:00 AM
60° 8:00 AM
Overcast at 2:00 PM
65° 2:00 PM
Overcast night at 8:00 PM
64° Sunday 8:00 PM
Overcast night at 2:00 AM
64° 2:00 AM
Overcast at 8:00 AM
63° 8:00 AM
Overcast at 2:00 PM
66° 2:00 PM
Overcast night at 8:00 PM
63° Monday 8:00 PM
Overcast night at 2:00 AM
61° 2:00 AM
Moderate rain at 8:00 AM
60° 8:00 AM
Overcast at 2:00 PM
65° 2:00 PM
Overcast night at 8:00 PM
64° Tuesday 8:00 PM
Clear night at 2:00 AM
58° 2:00 AM
Mostly cloudy at 8:00 AM
60° 8:00 AM
Light rain at 2:00 PM
73° 2:00 PM
Overcast night at 8:00 PM
66° Wednesday 8:00 PM
Light rain at 2:00 AM
65° 2:00 AM
Mostly cloudy at 8:00 AM
66° 8:00 AM
Light rain at 2:00 PM
72° 2:00 PM
Very heavy rain at 8:00 PM
68° Thursday 8:00 PM
Moderate rain at 2:00 AM
68° 2:00 AM
Very heavy rain at 8:00 AM
68° 8:00 AM
Moderate rain at 2:00 PM
70° 2:00 PM
Partly cloudy night at 8:00 PM
68° Friday 8:00 PM
Clear night at 2:00 AM
61° 2:00 AM
Sunny at 8:00 AM
59° 8:00 AM
Partly cloudy at 2:00 PM
72° 2:00 PM
Mostly cloudy night at 8:00 PM
65° Saturday 8:00 PM
Mostly clear night at 2:00 AM
62° 2:00 AM
Sunny at 8:00 AM
61° 8:00 AM
Partly cloudy at 2:00 PM
75° 2:00 PM
Mostly clear night at 8:00 PM
67° Sunday 8:00 PM
Clear night at 2:00 AM
60° 2:00 AM
Sunny at 8:00 AM
58° 8:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Fairfield

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 6:00 PM
PM2.5 Fine particles Good 5,6µg/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 6,2µg/m³

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

O₃ Ozone Good 48,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,6µg/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 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 2,7Low 😊Good
Tomorrow UV 0,7Low 😊Good
Tuesday UV 0,4Low 😊Good
Wednesday UV 1,8Low 🙂Fair
Thursday UV 4,6Moderate 🙂Fair
Friday UV 4,0Moderate Unavailable
Saturday UV 5,0Moderate Unavailable
Hourly UV index today
6:00 PMUV 0,4 7:00 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 Fairfield

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

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

62/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:40 PM–5:25 AM
Cloud cover 44% Real hourly forecast for the best viewing hour.
Moonlight 71% Waxing Gibbous · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 63° high at the best hour.
Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min61%
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
ACTIVE NOW
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 Fairfield were last refreshed today at 5:27 PM. The current forecast period extends through 22/09/2026 at 3:00 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.