Live Weather & Forecast

Weather in Granby

Colorado, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
8°C
Feels like 4°C
47°F / Feels 40°F
Sunny
Granby, Colorado
🌞 Daytime
Updated: 2026-04-13 14:00
💧
Humidity
36%
💨
Wind
29.2 km/h WSW
🌬️
Wind Gust
33.6 km/h
🌡️
Pressure
1012 mb
👁️
Visibility
10 km
☀️
UV Index
7.1 (High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
1%
💦
Dew Point
-5.1°C
🌐
Wind Degree
258°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
2.7 μg/m³
O₃
112 μg/m³
SO₂
1 μg/m³
PM 2.5
3.1 μg/m³
PM 10
8.6 μg/m³

Weather Alerts 2

Met · Severe · Expected
Red Flag Warning issued April 13 at 3:00AM MDT until April 13 at 8:00PM MDT by NWS Denver CO

* AFFECTED AREA...Fire Weather Zones 214, 216, 238, 241, 242, 246 and 247. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts around 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-13T03:00:00-06:00  ·  Expires: 2026-04-13T16:00:00-06:00
Met · Severe · Expected
Red Flag Warning issued April 13 at 11:54AM MDT until April 13 at 8:00PM MDT by NWS Denver CO

...TODAY'S RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM THIS EVENING... .A NEW RED FLAG WARNING HAS BEEN ISSUED FOR TUESDAY FOR SOUTHERN LINCOLN COUNTY. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 241, 242 and 246. * TIMING...Until 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts around 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-13T11:54:00-06:00  ·  Expires: 2026-04-13T20:00:00-06:00

Today's Hourly Forecast

24-hour breakdown for Granby, Colorado

12 AM
Clear
4°
Clear
💧 46% 💨 19.4 km/h
1 AM
Clear
3°
Clear
💧 55% 💨 18.7 km/h
2 AM
Clear
3°
Clear
💧 68% 💨 17.6 km/h
3 AM
Clear
3°
Clear
💧 48% 💨 13 km/h
4 AM
Clear
2°
Clear
💧 51% 💨 19.1 km/h
5 AM
Partly Cloudy
2°
Partly Cloudy
💧 56% 💨 19.8 km/h
6 AM
Partly Cloudy
1°
Partly Cloudy
💧 53% 💨 22.3 km/h
7 AM
Partly Cloudy
1°
Partly Cloudy
💧 52% 💨 22 km/h
8 AM
Partly Cloudy
1°
Partly Cloudy
💧 49% 💨 24.8 km/h
9 AM
Partly Cloudy
2°
Partly Cloudy
💧 48% 💨 27.4 km/h
10 AM
Partly Cloudy
3°
Partly Cloudy
💧 48% 💨 27.7 km/h
11 AM
Sunny
5°
Sunny
💧 46% 💨 28.4 km/h
12 PM
Sunny
7°
Sunny
💧 43% 💨 29.5 km/h
1 PM
Sunny
8°
Sunny
💧 39% 💨 29.5 km/h
2 PM
Sunny
8°
Sunny
💧 36% 💨 29.2 km/h
3 PM
Sunny
9°
Sunny
💧 35% 💨 28.1 km/h
4 PM
Sunny
8°
Sunny
💧 35% 💨 28.4 km/h
5 PM
Cloudy
7°
Cloudy
💧 35% 💨 29.2 km/h
6 PM
Cloudy
7°
Cloudy
💧 38% 💨 26.3 km/h
7 PM
Partly Cloudy
6°
Partly Cloudy
💧 40% 💨 19.1 km/h
8 PM
Clear
5°
Clear
💧 44% 💨 11.2 km/h
9 PM
Clear
4°
Clear
💧 47% 💨 2.5 km/h
10 PM
Clear
3°
Clear
💧 50% 💨 2.2 km/h
11 PM
Partly Cloudy
2°
Partly Cloudy
💧 51% 💨 3.6 km/h

3-Day Forecast

Daily overview for Granby, Colorado

Today
Partly Cloudy
Partly Cloudy
9° / 1°
🌧️ 0% chance of rain
💧 Avg. humidity: 46%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
3° / -2°
🌧️ 88% chance of rain
❄️ 6% chance of snow
💧 Avg. humidity: 72%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 16.58 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Overcast
Overcast
8° / -6°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Granby

Plan your trip to Granby, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Granby 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Granby?
Current conditions in Granby: Sunny, temperature 8°C, humidity 36%.
What is the best time to visit Granby?
The best time to visit Granby is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Granby?
Granby is located at approximately 40° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Granby?
The wettest period in Granby is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Granby?
For visits to Granby during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Granby in?
Granby is located in United States, in the state of Colorado.
What are the public holidays in Granby in 2026?
View the 2026 public holidays for Granby on our Holidays page.
What are the GPS coordinates used for the weather forecast in Granby?
The weather forecast for Granby uses coordinates 40.0462, -105.9028.