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Now · 2:12 AM

Harvard Weather & Hourly Forecast

United States · Illinois · 60033

Light rain
71°F
Light rain
Feels like: 72°F
💧 Humidity 85% 🌡 Pressure 29.97 inHg 💨 Wind 9 mph 👁 Visibility 4.6 mi Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Harvard

Today
Light thunderstorms · 3:00 AM Light thunderstorms
71° 💧 0.274 in 💨 7 mph H 88%29.97 inHg
Light thunderstorms · 6:00 AM Light thunderstorms
70° 💧 0.206 in 💨 9 mph H 96%30.00 inHg
Mostly cloudy · 9:00 AM Mostly cloudy
73° 💧 0.007 in 💨 10 mph H 93%30.00 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
77° 💧 0.001 in 💨 9 mph H 81%30.00 inHg
Mostly cloudy · 3:00 PM Mostly cloudy
81° 💧 None 💨 7 mph H 63%29.94 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
78° 💧 None 💨 4 mph H 73%29.94 inHg
Mostly cloudy night · 9:00 PM Mostly cloudy night
72° 💧 None 💨 6 mph H 85%29.97 inHg
Tomorrow
Clear night · 12:00 AM Clear night
69° 💧 None 💨 7 mph H 86%29.97 inHg
Overcast night · 3:00 AM Overcast night
65° 💧 None 💨 6 mph H 81%29.97 inHg
Overcast night · 6:00 AM Overcast night
62° 💧 None 💨 5 mph H 83%30.00 inHg
Overcast · 9:00 AM Overcast
67° 💧 None 💨 5 mph H 79%30.03 inHg
Mostly sunny · 12:00 PM Mostly sunny
74° 💧 None 💨 5 mph H 52%30.03 inHg
Mostly sunny · 3:00 PM Mostly sunny
75° 💧 None 💨 8 mph H 49%29.97 inHg
Sunny · 6:00 PM Sunny
72° 💧 None 💨 5 mph H 59%29.97 inHg
Clear night · 9:00 PM Clear night
64° 💧 None 💨 3 mph H 77%29.97 inHg
Friday
Clear night · 12:00 AM Clear night
61° 💧 None 💨 4 mph H 86%30.00 inHg

In Harvard and, more broadly, across the state of Illinois: Tonight, expect mostly cloudy skies with temperatures remaining mild to warm, ranging from 84 to 85 degrees Fahrenheit. Winds will be moderate from the southeast at around 10 mph, with occasional gusts reaching up to 21 mph. No rain is expected during the evening and the upcoming hours, so outdoor plans should be comfortable. The breeze might make it feel a bit cooler at times, but overall conditions will stay pleasant. Temperatures will gradually remain steady through the night, providing a mild and calm evening. It's a good evening to enjoy outdoor activities or relax under the partly cloudy sky.

15-Day Weather Outlook for Harvard

TomorrowTomorrow Mostly cloudy Mostly cloudy 75°/62° 💧 None 💨 8 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 77°/59° 💧 None 💨 8 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 78°/62° 💧 0.010 in 💨 13 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 75°/60° 💧 0.002 in 💨 7 mph
Monday, Sep 14Mon Sep 14 Light rain Light rain 86°/67° 💧 0.067 in 💨 14 mph
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 85°/66° 💧 0.282 in 💨 15 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 71°/55° 💧 None 💨 10 mph
Thursday, Sep 17Thu Sep 17 Overcast Overcast 70°/63° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Moderate rain Moderate rain 80°/68° 💧 1.006 in 💨 11 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 74°/67° 💧 0.226 in 💨 10 mph
Sunday, Sep 20Sun Sep 20 Light rain Light rain 80°/64° 💧 0.134 in 💨 13 mph
Monday, Sep 21Mon Sep 21 Overcast Overcast 67°/51° 💧 None 💨 12 mph
Tuesday, Sep 22Tue Sep 22 Partly cloudy Partly cloudy 62°/48° 💧 0.001 in 💨 7 mph
Wednesday, Sep 23Wed Sep 23 Partly cloudy Partly cloudy 65°/52° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harvard

Vertical axis: °F · Color based on temperature
Light thunderstorms at 3:00 AM
71° Today 3:00 AM
Thunderstorms at 4:00 AM
70° 4:00 AM
Light thunderstorms at 5:00 AM
70° 5:00 AM
Light thunderstorms at 6:00 AM
70° 6:00 AM
Moderate rain at 7:00 AM
70° Today 7:00 AM
Light rain at 8:00 AM
71° 8:00 AM
Mostly cloudy at 9:00 AM
73° 9:00 AM
Light rain at 10:00 AM
75° 10:00 AM
Overcast at 11:00 AM
77° Today 11:00 AM
Mostly cloudy at 12:00 PM
77° 12:00 PM
Partly cloudy at 1:00 PM
79° 1:00 PM
Partly cloudy at 2:00 PM
80° 2:00 PM
Mostly cloudy at 3:00 PM
81° Today 3:00 PM
Overcast at 4:00 PM
81° 4:00 PM
Overcast at 5:00 PM
80° 5:00 PM
Mostly cloudy at 6:00 PM
78° 6:00 PM
Mostly cloudy at 7:00 PM
74° Today 7:00 PM
Overcast night at 8:00 PM
72° 8:00 PM
Mostly cloudy night at 9:00 PM
72° 9:00 PM
Clear night at 10:00 PM
71° 10:00 PM
Clear night at 11:00 PM
70° Today 11:00 PM
Clear night at 12:00 AM
69° 12:00 AM
Mostly clear night at 1:00 AM
68° 1:00 AM
Mostly cloudy night at 2:00 AM
66° 2:00 AM
Overcast night at 3:00 AM
65° Tomorrow 3:00 AM
Overcast night at 4:00 AM
64° 4:00 AM
Overcast night at 5:00 AM
63° 5:00 AM
Overcast night at 6:00 AM
62° 6:00 AM
Overcast at 7:00 AM
62° Tomorrow 7:00 AM
Overcast at 8:00 AM
64° 8:00 AM
Overcast at 9:00 AM
67° 9:00 AM
Mostly cloudy at 10:00 AM
69° 10:00 AM
Partly cloudy at 11:00 AM
73° Tomorrow 11:00 AM
Mostly sunny at 12:00 PM
74° 12:00 PM
Sunny at 1:00 PM
75° 1:00 PM
Mostly sunny at 2:00 PM
75° 2:00 PM
Mostly sunny at 3:00 PM
75° Tomorrow 3:00 PM
Partly cloudy at 4:00 PM
75° 4:00 PM
Partly cloudy at 5:00 PM
74° 5:00 PM
Sunny at 6:00 PM
72° 6:00 PM
Sunny at 7:00 PM
69° Tomorrow 7:00 PM
Clear night at 8:00 PM
66° 8:00 PM
Clear night at 9:00 PM
64° 9:00 PM
Clear night at 10:00 PM
63° 10:00 PM
Clear night at 11:00 PM
62° Tomorrow 11:00 PM
Clear night at 12:00 AM
61° 12:00 AM
Clear night at 1:00 AM
60° 1:00 AM
Clear night at 2:00 AM
60° 2:00 AM
Clear night at 3:00 AM
59° Friday 3:00 AM
Clear night at 4:00 AM
59° 4:00 AM
Clear night at 5:00 AM
59° 5:00 AM
Clear night at 6:00 AM
59° 6:00 AM
Sunny at 7:00 AM
59° Friday 7:00 AM
Sunny at 8:00 AM
62° 8:00 AM
Sunny at 9:00 AM
66° 9:00 AM
Sunny at 10:00 AM
70° 10:00 AM
Sunny at 11:00 AM
73° Friday 11:00 AM
Sunny at 12:00 PM
75° 12:00 PM
Sunny at 1:00 PM
76° 1:00 PM
Sunny at 2:00 PM
76° 2:00 PM
Sunny at 3:00 PM
77° Friday 3:00 PM
Sunny at 4:00 PM
76° 4:00 PM
Sunny at 5:00 PM
76° 5:00 PM
Sunny at 6:00 PM
74° 6:00 PM
Mostly sunny at 7:00 PM
69° Friday 7:00 PM
Mostly clear night at 10:00 PM
63° 10:00 PM
Mostly cloudy night at 1:00 AM
63° 1:00 AM
Clear night at 4:00 AM
62° 4:00 AM
Mostly sunny at 7:00 AM
63° Saturday 7:00 AM
Light rain at 10:00 AM
70° 10:00 AM
Overcast at 1:00 PM
78° 1:00 PM
Overcast at 4:00 PM
77° 4:00 PM
Mostly sunny at 7:00 PM
74° Saturday 7:00 PM
Clear night at 10:00 PM
69° 10:00 PM
Clear night at 1:00 AM
65° 1:00 AM
Mostly clear night at 4:00 AM
62° 4:00 AM
Partly cloudy at 7:00 AM
60° Sunday 7:00 AM
Overcast at 10:00 AM
69° 10:00 AM
Overcast at 1:00 PM
75° 1:00 PM
Light rain at 4:00 PM
75° 4:00 PM
Overcast at 7:00 PM
67° Sunday 7:00 PM
Overcast night at 10:00 PM
67° 10:00 PM
Light rain at 1:00 AM
68° 1:00 AM
Mostly cloudy night at 4:00 AM
68° 4:00 AM
Light rain at 7:00 AM
70° Monday 7:00 AM
Mostly cloudy at 10:00 AM
78° 10:00 AM
Partly cloudy at 1:00 PM
86° 1:00 PM
Overcast at 7:00 PM
85° 7:00 PM
Mostly cloudy night at 1:00 AM
84° Tuesday 1:00 AM
Light rain at 7:00 AM
72° 7:00 AM
Mostly cloudy at 1:00 PM
66° 1:00 PM
Mostly sunny at 7:00 PM
71° 7:00 PM
Clear night at 1:00 AM
67° Wednesday 1:00 AM
Sunny at 7:00 AM
58° 7:00 AM
Sunny at 1:00 PM
55° 1:00 PM
Overcast at 7:00 PM
70° 7:00 PM
Overcast night at 1:00 AM
65° Thursday 1:00 AM
Mostly cloudy at 7:00 AM
63° 7:00 AM
Overcast at 1:00 PM
64° 1:00 PM
Partly cloudy at 7:00 PM
80° 7:00 PM
Moderate rain at 1:00 AM
72° Friday 1:00 AM
Moderate rain at 7:00 AM
69° 7:00 AM
Light rain at 1:00 PM
68° 1:00 PM
Light rain at 7:00 PM
74° 7:00 PM
Overcast night at 1:00 AM
67° Saturday 1:00 AM
Light rain at 7:00 AM
67° 7:00 AM
Overcast at 1:00 PM
70° 1:00 PM
Mostly clear night at 7:00 PM
80° 7:00 PM
Mostly cloudy night at 1:00 AM
78° Sunday 1:00 AM
Light rain at 7:00 AM
71° 7:00 AM
Overcast at 1:00 PM
64° 1:00 PM
Overcast night at 7:00 PM
67° 7:00 PM
Overcast night at 1:00 AM
62° Monday 1:00 AM
Overcast at 7:00 AM
55° 7:00 AM
Sunny at 1:00 PM
51° 1:00 PM
Partly cloudy night at 7:00 PM
62° 7:00 PM
Clear night at 1:00 AM
58° Tuesday 1:00 AM
Sunny at 7:00 AM
51° 7:00 AM
Partly cloudy at 1:00 PM
48° 1:00 PM
Partly cloudy night at 7:00 PM
65° 7:00 PM
Mostly cloudy night at 1:00 AM
61° Wednesday 1:00 AM
Mostly cloudy at 7:00 AM
57° 7:00 AM
Sunny at 1:00 PM
52° 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Harvard

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 3:00 AM
PM2.5 Fine particles Fair 14,3µg/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 15,1µg/m³

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

O₃ Ozone Fair 95,2µg/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 acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Harvard

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 6,1High 🙂Fair
Tomorrow UV 5,8Moderate 🙂Fair
Friday UV 6,5High 😐Moderate
Saturday UV 5,1Moderate 🙂Fair
Sunday UV 5,0Moderate 😊Good
Monday UV 4,0Moderate Unavailable
Tuesday UV 5,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,8 10:00 AMUV 1,2 11:00 AMUV 1,3 12:00 PMUV 3,2 1:00 PMUV 6,1 2:00 PMUV 3,2 3:00 PMUV 3,7 4:00 PMUV 2,3 5:00 PMUV 1,2 6:00 PMUV 0,3
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 Harvard

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

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

3/100Best-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 7% Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 69° 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 Harvard were last refreshed today at 2:12 AM. The current forecast period extends through 11/09/2026 at 12:00 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.