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Now · 8:17 PM

Chester Weather & Hourly Forecast

United States · Pennsylvania · 19013

Partly cloudy night
83°F
Partly cloudy night
Feels like: 92°F
💧 Humidity 82% 🌡 Pressure 29.91 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi Clouds 47% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:29 AM 🌇 Sunset 7:33 PM

Hourly Forecast for Chester

Today
Partly cloudy night · 9:00 PM Partly cloudy night
83° 💧 0.20 in 💨 4 mph H 82%29.91 inHg
Tomorrow
Mostly cloudy night · 12:00 AM Mostly cloudy night
75° 💧 None 💨 3 mph H 89%29.97 inHg
Overcast night · 3:00 AM Overcast night
71° 💧 None 💨 3 mph H 93%30.00 inHg
Overcast night · 6:00 AM Overcast night
70° 💧 None 💨 6 mph H 95%30.03 inHg
Overcast · 9:00 AM Overcast
71° 💧 None 💨 10 mph H 87%30.09 inHg
Overcast · 12:00 PM Overcast
70° 💧 None 💨 8 mph H 79%30.09 inHg
Overcast · 3:00 PM Overcast
74° 💧 None 💨 7 mph H 66%30.06 inHg
Overcast · 6:00 PM Overcast
74° 💧 None 💨 7 mph H 69%30.06 inHg
Mostly cloudy night · 9:00 PM Mostly cloudy night
72° 💧 0.02 in 💨 8 mph H 79%30.06 inHg
Thursday
Light rain · 12:00 AM Light rain
71° 💧 0.06 in 💨 4 mph H 94%30.06 inHg
Moderate rain · 3:00 AM Moderate rain
71° 💧 0.21 in 💨 3 mph H 98%30.03 inHg
Light rain · 6:00 AM Light rain
72° 💧 0.06 in 💨 4 mph H 98%30.03 inHg
Overcast · 9:00 AM Overcast
72° 💧 None 💨 9 mph H 94%29.97 inHg
Overcast · 12:00 PM Overcast
83° 💧 None 💨 10 mph H 71%29.97 inHg
Sunny · 3:00 PM Sunny
90° 💧 None 💨 9 mph H 57%29.91 inHg
Partly cloudy · 6:00 PM Partly cloudy
88° 💧 0.05 in 💨 5 mph H 63%29.85 inHg

In Chester and, more broadly, across the state of Pennsylvania: This evening will feature a mix of sun and clouds, with temperatures remaining warm, ranging from 80 to 87 degrees Fahrenheit. Light winds from the west will blow at around 5 mph, with occasional gusts reaching 11 mph. There is a possibility of light rain, with an expected accumulation of about 0.04 inches, and the chance of rain is high. Residents should be prepared for brief showers during the next few hours, especially if heading outdoors. Conditions will remain relatively mild, with no significant changes in wind or temperature anticipated overnight.

15-Day Weather Outlook for Chester

TomorrowTomorrow Light rain Light rain 75°/70° 💧 0.02 in 💨 10 mph
Thursday, Sep 3Thu Sep 3 Heavy rain Heavy rain 90°/71° 💧 0.68 in 💨 10 mph
Friday, Sep 4Fri Sep 4 Very heavy rain Very heavy rain 87°/70° 💧 1.16 in 💨 13 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 79°/68° 💧 0.01 in 💨 12 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 76°/62° 💧 None 💨 9 mph
Monday, Sep 7Mon Sep 7 Partly cloudy Partly cloudy 80°/63° 💧 None 💨 7 mph
Tuesday, Sep 8Tue Sep 8 Moderate rain Moderate rain 75°/67° 💧 0.39 in 💨 13 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 69°/51° 💧 0.01 in 💨 18 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 72°/52° 💧 None 💨 6 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 81°/65° 💧 0.01 in 💨 8 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 90°/72° 💧 0.07 in 💨 12 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 83°/73° 💧 0.02 in 💨 8 mph
Monday, Sep 14Mon Sep 14 Moderate rain Moderate rain 74°/64° 💧 0.37 in 💨 9 mph
Tuesday, Sep 15Tue Sep 15 Overcast Overcast 72°/60° 💧 None 💨 10 mph
Wednesday, Sep 16Wed Sep 16 Sunny Sunny 76°/58° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Chester

Vertical axis: °F · Color based on temperature
Partly cloudy night at 9:00 PM
83° Today 9:00 PM
Moderate rain at 10:00 PM
81° 10:00 PM
Moderate rain at 11:00 PM
78° 11:00 PM
Mostly cloudy night at 12:00 AM
75° 12:00 AM
Overcast night at 1:00 AM
72° Tomorrow 1:00 AM
Overcast night at 2:00 AM
71° 2:00 AM
Overcast night at 3:00 AM
71° 3:00 AM
Overcast night at 4:00 AM
71° 4:00 AM
Overcast night at 5:00 AM
71° Tomorrow 5:00 AM
Overcast night at 6:00 AM
70° 6:00 AM
Overcast at 7:00 AM
71° 7:00 AM
Overcast at 8:00 AM
72° 8:00 AM
Overcast at 9:00 AM
71° Tomorrow 9:00 AM
Overcast at 10:00 AM
71° 10:00 AM
Overcast at 11:00 AM
71° 11:00 AM
Overcast at 12:00 PM
70° 12:00 PM
Overcast at 1:00 PM
72° Tomorrow 1:00 PM
Overcast at 2:00 PM
72° 2:00 PM
Overcast at 3:00 PM
74° 3:00 PM
Overcast at 4:00 PM
74° 4:00 PM
Overcast at 5:00 PM
75° Tomorrow 5:00 PM
Overcast at 6:00 PM
74° 6:00 PM
Overcast at 7:00 PM
73° 7:00 PM
Overcast night at 8:00 PM
73° 8:00 PM
Mostly cloudy night at 9:00 PM
72° Tomorrow 9:00 PM
Partly cloudy night at 10:00 PM
72° 10:00 PM
Light rain at 11:00 PM
71° 11:00 PM
Light rain at 12:00 AM
71° 12:00 AM
Light rain at 1:00 AM
71° Thursday 1:00 AM
Light rain at 2:00 AM
71° 2:00 AM
Moderate rain at 3:00 AM
71° 3:00 AM
Moderate rain at 4:00 AM
72° 4:00 AM
Light rain at 5:00 AM
72° Thursday 5:00 AM
Light rain at 6:00 AM
72° 6:00 AM
Light rain at 7:00 AM
72° 7:00 AM
Overcast at 8:00 AM
72° 8:00 AM
Overcast at 9:00 AM
72° Thursday 9:00 AM
Overcast at 10:00 AM
76° 10:00 AM
Overcast at 11:00 AM
79° 11:00 AM
Overcast at 12:00 PM
83° 12:00 PM
Mostly cloudy at 1:00 PM
86° Thursday 1:00 PM
Mostly cloudy at 2:00 PM
88° 2:00 PM
Sunny at 3:00 PM
90° 3:00 PM
Partly cloudy at 4:00 PM
90° 4:00 PM
Partly cloudy at 5:00 PM
90° Thursday 5:00 PM
Partly cloudy at 6:00 PM
88° 6:00 PM
Mostly sunny at 7:00 PM
85° 7:00 PM
Moderate rain at 8:00 PM
80° 8:00 PM
Heavy rain at 9:00 PM
77° Thursday 9:00 PM
Moderate rain at 10:00 PM
76° 10:00 PM
Light rain at 11:00 PM
73° 11:00 PM
Very heavy rain at 12:00 AM
74° 12:00 AM
Heavy rain at 1:00 AM
74° Friday 1:00 AM
Overcast night at 2:00 AM
73° 2:00 AM
Mostly cloudy night at 3:00 AM
71° 3:00 AM
Partly cloudy night at 4:00 AM
71° 4:00 AM
Mostly cloudy night at 5:00 AM
70° Friday 5:00 AM
Mostly cloudy night at 6:00 AM
70° 6:00 AM
Partly cloudy at 7:00 AM
70° 7:00 AM
Partly cloudy at 8:00 AM
72° 8:00 AM
Sunny at 9:00 AM
75° Friday 9:00 AM
Sunny at 10:00 AM
79° 10:00 AM
Sunny at 11:00 AM
82° 11:00 AM
Sunny at 12:00 PM
84° 12:00 PM
Sunny at 1:00 PM
85° Friday 1:00 PM
Mostly sunny at 2:00 PM
86° 2:00 PM
Overcast at 3:00 PM
87° 3:00 PM
Overcast at 4:00 PM
84° 4:00 PM
Overcast at 5:00 PM
84° Friday 5:00 PM
Overcast at 6:00 PM
83° 6:00 PM
Overcast at 7:00 PM
80° 7:00 PM
Light rain at 8:00 PM
78° 8:00 PM
Light rain at 9:00 PM
77° Friday 9:00 PM
Light rain at 10:00 PM
77° 10:00 PM
Light rain at 11:00 PM
75° 11:00 PM
Light rain at 12:00 AM
74° 12:00 AM
Overcast night at 1:00 AM
73° Saturday 1:00 AM
Overcast night at 2:00 AM
72° 2:00 AM
Overcast night at 3:00 AM
71° 3:00 AM
Mostly cloudy night at 4:00 AM
69° 4:00 AM
Mostly cloudy night at 5:00 AM
68° Saturday 5:00 AM
Partly cloudy night at 6:00 AM
67° 6:00 AM
Partly cloudy at 7:00 AM
66° 7:00 AM
Partly cloudy at 8:00 AM
68° 8:00 AM
Sunny at 9:00 AM
71° Saturday 9:00 AM
Sunny at 10:00 AM
74° 10:00 AM
Sunny at 11:00 AM
75° 11:00 AM
Sunny at 12:00 PM
76° 12:00 PM
Sunny at 1:00 PM
78° Saturday 1:00 PM
Sunny at 2:00 PM
78° 2:00 PM
Sunny at 3:00 PM
79° 3:00 PM
Sunny at 4:00 PM
79° 4:00 PM
Sunny at 5:00 PM
79° Saturday 5:00 PM
Sunny at 6:00 PM
76° 6:00 PM
Sunny at 7:00 PM
73° 7:00 PM
Clear night at 8:00 PM
71° 8:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Chester

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 9:00 PM
PM2.5 Fine particles Good 8,1µg/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 10,4µg/m³

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

O₃ Ozone Good 54,1µg/m³

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

NO₂ Nitrogen dioxide Good 8,1µg/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 Chester

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 7,8High 😊Good
Tomorrow UV 4,8Moderate 🙂Fair
Thursday UV 7,4High 😐Moderate
Friday UV 7,4High 😐Moderate
Saturday UV 7,0High 🙂Fair
Sunday UV 6,0High Unavailable
Monday UV 6,0High Unavailable
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

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 Chester

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Thursday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Thursday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Thursday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Thursday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Thursday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Thursday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Friday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Friday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Friday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Friday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Friday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Friday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Saturday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Saturday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Saturday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Saturday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Saturday 5:00 PM 6:00 PM 7:00 PM 8:00 PM
Sustained wind Max gusts
Internal PR simulation: 4.52 Population: 33,619

Forecast data for Chester were last refreshed today at 8:17 PM. The current forecast period extends through 03/09/2026 at 6:00 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.