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Now · 11:33 PM

Colby Weather & Hourly Forecast

United States · Wisconsin · 54421

Clear night
61°F
Clear night
Feels like: 58°F
💧 Humidity 82% 🌡 Pressure 29.97 inHg 💨 Wind 7 mph 👁 Visibility 22.6 mi Clouds 9% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Colby

Tomorrow
Clear night · 12:00 AM Clear night
61° 💧 None 💨 7 mph H 82%29.97 inHg
Clear night · 3:00 AM Clear night
58° 💧 None 💨 6 mph H 88%29.97 inHg
Clear night · 6:00 AM Clear night
55° 💧 None 💨 4 mph H 93%30.00 inHg
Sunny · 9:00 AM Sunny
62° 💧 None 💨 4 mph H 84%30.03 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
70° 💧 None 💨 8 mph H 54%30.03 inHg
Sunny · 3:00 PM Sunny
71° 💧 None 💨 8 mph H 52%29.97 inHg
Sunny · 6:00 PM Sunny
70° 💧 None 💨 4 mph H 62%29.94 inHg
Clear night · 9:00 PM Clear night
61° 💧 None 💨 4 mph H 74%29.94 inHg
Friday
Clear night · 12:00 AM Clear night
60° 💧 None 💨 6 mph H 72%29.97 inHg
Clear night · 3:00 AM Clear night
58° 💧 None 💨 7 mph H 80%29.94 inHg
Clear night · 6:00 AM Clear night
57° 💧 None 💨 8 mph H 82%29.94 inHg
Mostly cloudy · 9:00 AM Mostly cloudy
64° 💧 None 💨 8 mph H 81%29.94 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
73° 💧 None 💨 13 mph H 62%29.91 inHg
Overcast · 3:00 PM Overcast
76° 💧 None 💨 12 mph H 54%29.83 inHg
Overcast · 6:00 PM Overcast
73° 💧 None 💨 9 mph H 63%29.80 inHg
Overcast night · 9:00 PM Overcast night
68° 💧 None 💨 13 mph H 71%29.77 inHg

In Colby and, more broadly, across the state of Wisconsin: This evening, expect mostly clear skies with a few clouds drifting by. Temperatures will remain mild to warm, ranging from around 74 to 78 degrees Fahrenheit. Winds will come from the west at a steady 10 mph, with occasional gusts reaching up to 22 mph. No precipitation is anticipated during the evening hours, so outdoor plans should be comfortable. As the night progresses, winds may slightly ease or pick up, but overall, conditions will be fairly calm. Temperatures are likely to stay steady through the evening, making for a pleasant night ahead.

15-Day Weather Outlook for Colby

TomorrowTomorrow Mostly sunny Mostly sunny 72°/54° 💧 None 💨 11 mph
Friday, Sep 11Fri Sep 11 Mostly cloudy Mostly cloudy 76°/57° 💧 None 💨 13 mph
Saturday, Sep 12Sat Sep 12 Light thunderstorms Light thunderstorms 71°/63° 💧 0.249 in 💨 14 mph
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 66°/51° 💧 0.108 in 💨 6 mph
Monday, Sep 14Mon Sep 14 Light thunderstorms Light thunderstorms 65°/55° 💧 3.265 in 💨 19 mph
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 69°/56° 💧 0.428 in 💨 13 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 63°/46° 💧 None 💨 6 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 61°/54° 💧 0.181 in 💨 6 mph
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 63°/46° 💧 0.005 in 💨 8 mph
Saturday, Sep 19Sat Sep 19 Partly cloudy Partly cloudy 64°/51° 💧 None 💨 8 mph
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 58°/41° 💧 None 💨 7 mph
Monday, Sep 21Mon Sep 21 Overcast Overcast 56°/45° 💧 0.003 in 💨 12 mph
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 54°/47° 💧 0.004 in 💨 13 mph
Wednesday, Sep 23Wed Sep 23 Mostly cloudy Mostly cloudy 57°/48° 💧 0.001 in 💨 10 mph
Thursday, Sep 24Thu Sep 24 Overcast Overcast 54°/47° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Colby

Vertical axis: °F · Color based on temperature
Clear night at 12:00 AM
61° Tomorrow 12:00 AM
Clear night at 1:00 AM
60° 1:00 AM
Clear night at 2:00 AM
59° 2:00 AM
Clear night at 3:00 AM
58° 3:00 AM
Clear night at 4:00 AM
57° Tomorrow 4:00 AM
Clear night at 5:00 AM
55° 5:00 AM
Clear night at 6:00 AM
55° 6:00 AM
Sunny at 7:00 AM
54° 7:00 AM
Sunny at 8:00 AM
58° Tomorrow 8:00 AM
Sunny at 9:00 AM
62° 9:00 AM
Sunny at 10:00 AM
66° 10:00 AM
Sunny at 11:00 AM
69° 11:00 AM
Mostly cloudy at 12:00 PM
70° Tomorrow 12:00 PM
Partly cloudy at 1:00 PM
70° 1:00 PM
Mostly sunny at 2:00 PM
71° 2:00 PM
Sunny at 3:00 PM
71° 3:00 PM
Mostly sunny at 4:00 PM
72° Tomorrow 4:00 PM
Mostly sunny at 5:00 PM
71° 5:00 PM
Sunny at 6:00 PM
70° 6:00 PM
Sunny at 7:00 PM
66° 7:00 PM
Clear night at 8:00 PM
63° Tomorrow 8:00 PM
Clear night at 9:00 PM
61° 9:00 PM
Clear night at 10:00 PM
61° 10:00 PM
Clear night at 11:00 PM
60° 11:00 PM
Clear night at 12:00 AM
60° Friday 12:00 AM
Clear night at 1:00 AM
59° 1:00 AM
Clear night at 2:00 AM
59° 2:00 AM
Clear night at 3:00 AM
58° 3:00 AM
Clear night at 4:00 AM
58° Friday 4:00 AM
Clear night at 5:00 AM
58° 5:00 AM
Clear night at 6:00 AM
57° 6:00 AM
Sunny at 7:00 AM
57° 7:00 AM
Sunny at 8:00 AM
60° Friday 8:00 AM
Mostly cloudy at 9:00 AM
64° 9:00 AM
Overcast at 10:00 AM
67° 10:00 AM
Mostly cloudy at 11:00 AM
71° 11:00 AM
Mostly cloudy at 12:00 PM
73° Friday 12:00 PM
Overcast at 1:00 PM
74° 1:00 PM
Mostly cloudy at 2:00 PM
75° 2:00 PM
Overcast at 3:00 PM
76° 3:00 PM
Overcast at 4:00 PM
75° Friday 4:00 PM
Overcast at 5:00 PM
75° 5:00 PM
Overcast at 6:00 PM
73° 6:00 PM
Overcast at 7:00 PM
70° 7:00 PM
Overcast night at 8:00 PM
69° Friday 8:00 PM
Overcast night at 9:00 PM
68° 9:00 PM
Mostly cloudy night at 10:00 PM
67° 10:00 PM
Overcast night at 11:00 PM
66° 11:00 PM
Overcast night at 12:00 AM
66° Saturday 12:00 AM
Overcast night at 1:00 AM
66° 1:00 AM
Overcast night at 2:00 AM
65° 2:00 AM
Light rain at 3:00 AM
64° 3:00 AM
Light thunderstorms at 4:00 AM
64° Saturday 4:00 AM
Light thunderstorms at 5:00 AM
64° 5:00 AM
Light rain at 6:00 AM
63° 6:00 AM
Light thunderstorms at 7:00 AM
64° 7:00 AM
Sunny at 4:00 PM
69° Saturday 4:00 PM
Sunny at 7:00 PM
64° 7:00 PM
Mostly clear night at 10:00 PM
59° 10:00 PM
Mostly cloudy night at 1:00 AM
55° 1:00 AM
Partly cloudy night at 4:00 AM
52° Sunday 4:00 AM
Mostly sunny at 7:00 AM
51° 7:00 AM
Overcast at 10:00 AM
58° 10:00 AM
Overcast at 1:00 PM
60° 1:00 PM
Overcast at 4:00 PM
64° Sunday 4:00 PM
Sunny at 7:00 PM
59° 7:00 PM
Clear night at 10:00 PM
52° 10:00 PM
Clear night at 1:00 AM
50° 1:00 AM
Partly cloudy night at 4:00 AM
48° Monday 4:00 AM
Mostly cloudy at 7:00 AM
49° 7:00 AM
Overcast at 10:00 AM
59° 10:00 AM
Moderate rain at 1:00 PM
59° 1:00 PM
Moderate rain at 4:00 PM
62° Monday 4:00 PM
Overcast at 7:00 PM
62° 7:00 PM
Heavy rain at 10:00 PM
62° 10:00 PM
Light rain at 1:00 AM
67° 1:00 AM
Clear night at 4:00 AM
60° Tuesday 4:00 AM
Mostly sunny at 7:00 AM
54° 7:00 AM
Mostly cloudy at 10:00 AM
58° 10:00 AM
Overcast at 1:00 PM
59° 1:00 PM
Overcast at 7:00 PM
63° Tuesday 7:00 PM
Mostly clear night at 1:00 AM
58° 1:00 AM
Sunny at 7:00 AM
49° 7:00 AM
Sunny at 1:00 PM
46° 1:00 PM
Sunny at 7:00 PM
63° Wednesday 7:00 PM
Mostly clear night at 1:00 AM
59° 1:00 AM
Light rain at 7:00 AM
54° 7:00 AM
Light rain at 1:00 PM
56° 1:00 PM
Mostly cloudy at 7:00 PM
61° Thursday 7:00 PM
Mostly clear night at 1:00 AM
59° 1:00 AM
Sunny at 7:00 AM
50° 7:00 AM
Sunny at 1:00 PM
46° 1:00 PM
Sunny at 7:00 PM
63° Friday 7:00 PM
Clear night at 1:00 AM
59° 1:00 AM
Sunny at 7:00 AM
54° 7:00 AM
Sunny at 1:00 PM
51° 1:00 PM
Partly cloudy at 7:00 PM
64° Saturday 7:00 PM
Clear night at 1:00 AM
57° 1:00 AM
Sunny at 7:00 AM
46° 7:00 AM
Sunny at 1:00 PM
41° 1:00 PM
Partly cloudy at 7:00 PM
58° Sunday 7:00 PM
Mostly clear night at 1:00 AM
53° 1:00 AM
Overcast at 7:00 AM
46° 7:00 AM
Overcast at 1:00 PM
45° 1:00 PM
Overcast at 7:00 PM
56° Monday 7:00 PM
Overcast night at 1:00 AM
53° 1:00 AM
Overcast at 7:00 AM
47° 7:00 AM
Overcast at 1:00 PM
48° 1:00 PM
Overcast at 7:00 PM
54° Tuesday 7:00 PM
Mostly cloudy night at 1:00 AM
52° 1:00 AM
Overcast at 7:00 AM
49° 7:00 AM
Mostly sunny at 1:00 PM
48° 1:00 PM
Mostly cloudy night at 7:00 PM
57° Wednesday 7:00 PM
Overcast night at 1:00 AM
54° 1:00 AM
Overcast at 7:00 AM
48° 7:00 AM
Overcast at 1:00 PM
47° 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Colby

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 12:00 AM
PM2.5 Fine particles Good 2,0µg/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 2,4µg/m³

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

O₃ Ozone Good 51,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,0µg/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 Colby

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 6,3High Unavailable
Tomorrow UV 5,6Moderate 🙂Fair
Friday UV 5,0Moderate 🙂Fair
Saturday UV 5,4Moderate 🙂Fair
Sunday UV 4,0Moderate 🙂Fair
Monday UV 5,0Moderate Unavailable
Tuesday UV 4,0Moderate 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.

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 Colby

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

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:05 PM–4:52 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 58° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min76%
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 Colby were last refreshed today at 11:33 PM. The current forecast period extends through 11/09/2026 at 9:00 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.