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Now · 4:23 PM

Cary Weather & Hourly Forecast

United States · Illinois · 60013

Overcast
76°F
Overcast
Feels like: 77°F
💧 Humidity 78% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 6.2 mi Clouds 100% ☀️ UV index 0.9 · Low 🌅 Sunrise 6:16 AM 🌇 Sunset 7:31 PM

Hourly Forecast for Cary

Today
Overcast · 5:00 PM Overcast
76° 💧 None 💨 8 mph H 78%29.97 inHg
Overcast night · 8:00 PM Overcast night
76° 💧 None 💨 8 mph H 81%29.91 inHg
Overcast night · 11:00 PM Overcast night
79° 💧 None 💨 8 mph H 84%29.91 inHg
Tomorrow
Overcast night · 2:00 AM Overcast night
79° 💧 0.00 in 💨 12 mph H 67%29.88 inHg
Overcast night · 5:00 AM Overcast night
79° 💧 None 💨 8 mph H 56%29.91 inHg
Overcast · 8:00 AM Overcast
74° 💧 None 💨 10 mph H 60%29.91 inHg
Overcast · 11:00 AM Overcast
78° 💧 0.01 in 💨 10 mph H 76%29.91 inHg
Overcast · 2:00 PM Overcast
85° 💧 None 💨 13 mph H 64%29.88 inHg
Overcast · 5:00 PM Overcast
86° 💧 None 💨 12 mph H 74%29.85 inHg
Mostly cloudy night · 8:00 PM Mostly cloudy night
79° 💧 None 💨 9 mph H 88%29.85 inHg
Partly cloudy night · 11:00 PM Partly cloudy night
82° 💧 0.02 in 💨 9 mph H 83%29.85 inHg
Tuesday
Light rain · 2:00 AM Light rain
77° 💧 0.02 in 💨 10 mph H 88%29.85 inHg
Mostly cloudy night · 5:00 AM Mostly cloudy night
76° 💧 0.03 in 💨 9 mph H 88%29.85 inHg
Light rain · 8:00 AM Light rain
70° 💧 0.00 in 💨 6 mph H 90%29.91 inHg
Overcast · 11:00 AM Overcast
82° 💧 None 💨 12 mph H 65%29.88 inHg
Mostly sunny · 2:00 PM Mostly sunny
87° 💧 None 💨 12 mph H 58%29.85 inHg

In Cary and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, the sky will feature a mix of sun and clouds, creating a partly cloudy setting. Temperatures will remain warm, ranging from the mid-70s to low 80s, providing a comfortable but hot environment. Winds will come from the south at a moderate pace, reaching up to 12 mph, with gusts possibly hitting 27 mph. No precipitation is anticipated during this period, so outdoor plans can continue without concern for rain. The evening will likely see continued warm temperatures and steady winds, making for a pleasant, if slightly breezy, end to the day.

15-Day Weather Outlook for Cary

TomorrowTomorrow Light rain Light rain 88°/70° 💧 0.09 in 💨 14 mph
Tuesday, Sep 1Tue Sep 1 Light rain Light rain 87°/67° 💧 0.07 in 💨 15 mph
Wednesday, Sep 2Wed Sep 2 Light rain Light rain 87°/71° 💧 0.03 in 💨 10 mph
Thursday, Sep 3Thu Sep 3 Light rain Light rain 84°/67° 💧 0.24 in 💨 7 mph
Friday, Sep 4Fri Sep 4 Heavy rain Heavy rain 80°/66° 💧 0.86 in 💨 9 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 78°/61° 💧 0.01 in 💨 12 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 72°/57° 💧 None 💨 12 mph
Monday, Sep 7Mon Sep 7 Mostly sunny Mostly sunny 75°/55° 💧 None 💨 9 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 78°/56° 💧 None 💨 5 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 74°/56° 💧 0.06 in 💨 9 mph
Thursday, Sep 10Thu Sep 10 Mostly sunny Mostly sunny 76°/56° 💧 None 💨 10 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 61°/44° 💧 None 💨 14 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 65°/42° 💧 None 💨 7 mph
Sunday, Sep 13Sun Sep 13 Overcast Overcast 68°/45° 💧 None 💨 13 mph
Monday, Sep 14Mon Sep 14 Overcast Overcast 77°/59° 💧 None 💨 16 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Cary

Vertical axis: °F · Color based on temperature
Overcast at 5:00 PM
76° Today 5:00 PM
Overcast at 6:00 PM
77° 6:00 PM
Overcast at 7:00 PM
77° 7:00 PM
Overcast night at 8:00 PM
76° 8:00 PM
Overcast night at 9:00 PM
77° Today 9:00 PM
Overcast night at 10:00 PM
79° 10:00 PM
Overcast night at 11:00 PM
79° 11:00 PM
Overcast night at 12:00 AM
80° 12:00 AM
Overcast night at 1:00 AM
80° Tomorrow 1:00 AM
Overcast night at 2:00 AM
79° 2:00 AM
Light rain at 3:00 AM
78° 3:00 AM
Overcast night at 4:00 AM
78° 4:00 AM
Overcast night at 5:00 AM
79° Tomorrow 5:00 AM
Overcast night at 6:00 AM
76° 6:00 AM
Overcast at 7:00 AM
75° 7:00 AM
Overcast at 8:00 AM
74° 8:00 AM
Overcast at 9:00 AM
72° Tomorrow 9:00 AM
Overcast at 10:00 AM
74° 10:00 AM
Overcast at 11:00 AM
78° 11:00 AM
Light rain at 12:00 PM
81° 12:00 PM
Overcast at 1:00 PM
82° Tomorrow 1:00 PM
Overcast at 2:00 PM
85° 2:00 PM
Overcast at 3:00 PM
89° 3:00 PM
Overcast at 4:00 PM
89° 4:00 PM
Overcast at 5:00 PM
86° Tomorrow 5:00 PM
Overcast at 6:00 PM
83° 6:00 PM
Mostly cloudy at 7:00 PM
82° 7:00 PM
Mostly cloudy night at 8:00 PM
79° 8:00 PM
Partly cloudy night at 9:00 PM
80° Tomorrow 9:00 PM
Mostly cloudy night at 10:00 PM
81° 10:00 PM
Partly cloudy night at 11:00 PM
82° 11:00 PM
Light rain at 12:00 AM
81° 12:00 AM
Light rain at 1:00 AM
81° Tuesday 1:00 AM
Light rain at 2:00 AM
77° 2:00 AM
Light rain at 3:00 AM
77° 3:00 AM
Light rain at 4:00 AM
75° 4:00 AM
Mostly cloudy night at 5:00 AM
76° Tuesday 5:00 AM
Light rain at 6:00 AM
74° 6:00 AM
Light rain at 7:00 AM
74° 7:00 AM
Light rain at 8:00 AM
70° 8:00 AM
Overcast at 9:00 AM
72° Tuesday 9:00 AM
Overcast at 10:00 AM
78° 10:00 AM
Overcast at 11:00 AM
82° 11:00 AM
Overcast at 12:00 PM
82° 12:00 PM
Overcast at 1:00 PM
86° Tuesday 1:00 PM
Mostly sunny at 2:00 PM
87° 2:00 PM
Partly cloudy at 3:00 PM
87° 3:00 PM
Partly cloudy at 4:00 PM
87° 4:00 PM
Partly cloudy at 5:00 PM
86° Tuesday 5:00 PM
Mostly cloudy at 6:00 PM
82° 6:00 PM
Mostly cloudy at 7:00 PM
80° 7:00 PM
Overcast night at 8:00 PM
78° 8:00 PM
Overcast night at 9:00 PM
77° Tuesday 9:00 PM
Overcast night at 10:00 PM
76° 10:00 PM
Overcast night at 11:00 PM
75° 11:00 PM
Overcast night at 12:00 AM
75° 12:00 AM
Mostly cloudy night at 1:00 AM
74° Wednesday 1:00 AM
Overcast night at 2:00 AM
75° 2:00 AM
Partly cloudy night at 3:00 AM
73° 3:00 AM
Mostly cloudy night at 4:00 AM
75° 4:00 AM
Mostly cloudy night at 5:00 AM
74° Wednesday 5:00 AM
Mostly cloudy night at 6:00 AM
77° 6:00 AM
Mostly cloudy at 7:00 AM
74° 7:00 AM
Mostly sunny at 8:00 AM
75° 8:00 AM
Mostly cloudy at 9:00 AM
77° Wednesday 9:00 AM
Mostly cloudy at 10:00 AM
79° 10:00 AM
Mostly cloudy at 11:00 AM
80° 11:00 AM
Mostly cloudy at 12:00 PM
79° 12:00 PM
Mostly cloudy at 1:00 PM
77° Wednesday 1:00 PM
Overcast at 2:00 PM
82° 2:00 PM
Mostly cloudy at 3:00 PM
85° 3:00 PM
Partly cloudy at 4:00 PM
87° 4:00 PM
Partly cloudy at 5:00 PM
87° Wednesday 5:00 PM
Partly cloudy at 6:00 PM
84° 6:00 PM
Partly cloudy at 7:00 PM
77° 7:00 PM
Overcast night at 8:00 PM
75° 8:00 PM
Mostly cloudy night at 9:00 PM
72° Wednesday 9:00 PM
Mostly cloudy night at 10:00 PM
72° 10:00 PM
Light rain at 11:00 PM
69° 11:00 PM
Light rain at 12:00 AM
68° 12:00 AM
Partly cloudy night at 1:00 AM
68° Thursday 1:00 AM
Clear night at 2:00 AM
68° 2:00 AM
Clear night at 3:00 AM
68° 3:00 AM
Clear night at 4:00 AM
67° 4:00 AM
Clear night at 5:00 AM
67° Thursday 5:00 AM
Clear night at 6:00 AM
67° 6:00 AM
Sunny at 7:00 AM
67° 7:00 AM
Mostly cloudy at 8:00 AM
71° 8:00 AM
Overcast at 9:00 AM
74° Thursday 9:00 AM
Mostly cloudy at 10:00 AM
77° 10:00 AM
Mostly cloudy at 11:00 AM
80° 11:00 AM
Mostly cloudy at 12:00 PM
82° 12:00 PM
Mostly cloudy at 1:00 PM
84° Thursday 1:00 PM
Overcast at 2:00 PM
83° 2:00 PM
Overcast at 3:00 PM
82° 3:00 PM
Overcast at 4:00 PM
80° 4:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Cary

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 PM
PM2.5 Fine particles Fair 12,6µg/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 12,9µg/m³

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

O₃ Ozone Fair 92,8µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/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 Cary

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 6,7High 🙂Fair
Tomorrow UV 6,0High 😐Moderate
Tuesday UV 7,8High 😐Moderate
Wednesday UV 5,4Moderate 🙂Fair
Thursday UV 7,7High 🙂Fair
Friday UV 6,0High Unavailable
Saturday UV 7,0High Unavailable
Hourly UV index today
5:00 PMUV 0,4 6:00 PMUV 0,1 7:00 PMUV 0,0
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.

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 Cary

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM 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 Tuesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tuesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tuesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tuesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tuesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tuesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Wednesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Wednesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Wednesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Wednesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Wednesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Wednesday 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
Sustained wind Max gusts
Internal PR simulation: 4.49 Population: 17,923

Forecast data for Cary were last refreshed today at 4:23 PM. The current forecast period extends through 01/09/2026 at 2:00 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.