What is the weather in Keystone right now?

Current weather in Keystone is broken clouds.

Where can I find the hourly weather forecast for Keystone?

This page shows hourly weather forecast for Keystone, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Keystone updated regularly?

Weather data for Keystone is updated regularly with the latest available observations and forecasts.

Now · 11:53 PM

Keystone Weather & Hourly Forecast

United States · Colorado · 80435

40°F

Mostly cloudy night

Feels like: 35°F

💧 Humidity 97% 🌡 Pressure 30.24 inHg 💨 Wind 5 mph 👁 Visibility 7.2 mi ☁ Clouds 93% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:52 AM 🌇 Sunset 6:59 PM

Hourly Forecast for Keystone

Tomorrow

12:00 AM

Mostly cloudy night

40° 💧 0.001 in 💨 5 mph H 97%30.24 inHg

3:00 AM

Mostly cloudy night

39° 💧 0.000 in 💨 4 mph H 98%30.21 inHg

6:00 AM

Mostly cloudy night

38° 💧 0.002 in 💨 4 mph H 98%30.21 inHg

9:00 AM

Mist

41° 💧 0.014 in 💨 5 mph H 96%30.18 inHg

12:00 PM

Light rain

51° 💧 0.127 in 💨 4 mph H 58%30.06 inHg

3:00 PM

Snow

43° 💧 0.148 in 💨 2 mph H 94%30.09 inHg

6:00 PM

Light rain

41° 💧 0.038 in 💨 5 mph H 95%30.09 inHg

9:00 PM

Partly cloudy night

36° 💧 0.001 in 💨 3 mph H 98%30.15 inHg

Saturday

12:00 AM

Fog at night

33° 💧 None 💨 3 mph H 100%30.15 inHg

3:00 AM

Freezing rain

31° 💧 None 💨 3 mph H 99%30.15 inHg

6:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 98%30.21 inHg

9:00 AM

Mostly sunny

38° 💧 None 💨 3 mph H 94%30.24 inHg

12:00 PM

Mostly sunny

51° 💧 0.007 in 💨 7 mph H 41%30.15 inHg

3:00 PM

Sunny

55° 💧 0.004 in 💨 5 mph H 31%30.06 inHg

6:00 PM

Mostly sunny

51° 💧 None 💨 5 mph H 36%30.09 inHg

9:00 PM

Clear night

41° 💧 None 💨 1 mph H 57%30.15 inHg

Tomorrow

12:00 AM

Mostly cloudy night

40° 💧 0.000 in 💨 5 mph H 97%30.24 inHg

1:00 AM

Overcast night

39° 💧 0.000 in 💨 5 mph H 97%30.24 inHg

2:00 AM

Overcast night

39° 💧 0.001 in 💨 5 mph H 97%30.24 inHg

3:00 AM

Mostly cloudy night

39° 💧 0.000 in 💨 4 mph H 98%30.21 inHg

4:00 AM

Mist at night

38° 💧 None 💨 4 mph H 98%30.21 inHg

5:00 AM

Mist at night

37° 💧 None 💨 4 mph H 99%30.21 inHg

6:00 AM

Mostly cloudy night

38° 💧 0.001 in 💨 4 mph H 98%30.21 inHg

7:00 AM

Mostly cloudy

38° 💧 0.001 in 💨 4 mph H 99%30.18 inHg

8:00 AM

Fog

40° 💧 0.001 in 💨 5 mph H 98%30.21 inHg

9:00 AM

Mist

41° 💧 0.002 in 💨 5 mph H 96%30.18 inHg

10:00 AM

Light rain

45° 💧 0.004 in 💨 4 mph H 79%30.15 inHg

11:00 AM

Light rain

48° 💧 0.008 in 💨 4 mph H 67%30.12 inHg

12:00 PM

Light rain

51° 💧 0.010 in 💨 4 mph H 58%30.06 inHg

1:00 PM

Light rain

53° 💧 0.006 in 💨 5 mph H 51%30.00 inHg

2:00 PM

Light thunderstorms

42° 💧 0.111 in 💨 5 mph H 90%30.09 inHg

3:00 PM

Snow

43° 💧 0.079 in 💨 2 mph H 94%30.09 inHg

4:00 PM

Light rain

42° 💧 0.035 in 💨 6 mph H 89%30.09 inHg

5:00 PM

Light rain

41° 💧 0.033 in 💨 3 mph H 94%30.12 inHg

6:00 PM

Light rain

41° 💧 0.018 in 💨 5 mph H 95%30.09 inHg

7:00 PM

Light rain

38° 💧 0.017 in 💨 4 mph H 98%30.12 inHg

8:00 PM

Partly cloudy night

37° 💧 0.003 in 💨 3 mph H 98%30.15 inHg

9:00 PM

Partly cloudy night

36° 💧 0.000 in 💨 3 mph H 98%30.15 inHg

10:00 PM

Mostly clear night

35° 💧 0.000 in 💨 3 mph H 100%30.15 inHg

11:00 PM

Mist at night

34° 💧 None 💨 3 mph H 100%30.15 inHg

Saturday

12:00 AM

Fog at night

33° 💧 None 💨 3 mph H 100%30.15 inHg

1:00 AM

Freezing rain

33° 💧 None 💨 3 mph H 99%30.15 inHg

2:00 AM

Freezing rain

32° 💧 None 💨 3 mph H 99%30.15 inHg

3:00 AM

Freezing rain

31° 💧 None 💨 3 mph H 99%30.15 inHg

4:00 AM

Freezing rain

31° 💧 None 💨 3 mph H 99%30.15 inHg

5:00 AM

Freezing rain

31° 💧 None 💨 3 mph H 99%30.18 inHg

6:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 98%30.21 inHg

7:00 AM

Freezing rain

31° 💧 None 💨 2 mph H 96%30.21 inHg

8:00 AM

Fog

34° 💧 None 💨 3 mph H 97%30.24 inHg

9:00 AM

Mostly sunny

38° 💧 None 💨 3 mph H 94%30.24 inHg

10:00 AM

Sunny

43° 💧 None 💨 4 mph H 70%30.24 inHg

11:00 AM

Sunny

48° 💧 None 💨 6 mph H 52%30.21 inHg

12:00 PM

Mostly sunny

51° 💧 None 💨 7 mph H 41%30.15 inHg

1:00 PM

Sunny

53° 💧 0.001 in 💨 7 mph H 37%30.12 inHg

2:00 PM

Light rain

54° 💧 0.006 in 💨 5 mph H 35%30.09 inHg

3:00 PM

Sunny

55° 💧 0.004 in 💨 5 mph H 31%30.06 inHg

4:00 PM

Sunny

55° 💧 None 💨 5 mph H 31%30.06 inHg

5:00 PM

Sunny

54° 💧 0.000 in 💨 5 mph H 31%30.06 inHg

6:00 PM

Mostly sunny

51° 💧 None 💨 5 mph H 36%30.09 inHg

7:00 PM

Clear night

44° 💧 None 💨 3 mph H 51%30.12 inHg

8:00 PM

Clear night

43° 💧 None 💨 0 mph H 53%30.15 inHg

9:00 PM

Clear night

41° 💧 None 💨 1 mph H 57%30.15 inHg

10:00 PM

Clear night

38° 💧 None 💨 1 mph H 63%30.18 inHg

11:00 PM

Mostly clear night

36° 💧 None 💨 1 mph H 66%30.18 inHg

Sunday

12:00 AM

Partly cloudy night

35° 💧 None 💨 2 mph H 66%30.18 inHg

1:00 AM

Mostly cloudy night

35° 💧 None 💨 2 mph H 65%30.18 inHg

2:00 AM

Mostly clear night

35° 💧 None 💨 3 mph H 64%30.18 inHg

3:00 AM

Mostly cloudy night

35° 💧 None 💨 2 mph H 63%30.18 inHg

4:00 AM

Mostly cloudy night

35° 💧 None 💨 2 mph H 64%30.18 inHg

5:00 AM

Mostly cloudy night

37° 💧 None 💨 1 mph H 61%30.21 inHg

6:00 AM

Mostly cloudy night

37° 💧 None 💨 1 mph H 62%30.21 inHg

In Keystone and, more broadly, across the state of Colorado: Clear skies will persist through the evening, with temperatures remaining cool, around 60 degrees Fahrenheit. Winds will be light, coming from the northwest at up to 2 mph, with occasional gusts reaching 6 mph. No precipitation is expected tonight, providing a calm and dry night ahead. Temperatures are likely to stay steady, making for a comfortable evening. Be sure to dress appropriately for the cooler conditions if heading outside. The light breeze will add a slight chill, but overall, conditions will be stable and clear into the early morning hours.

15-Day Weather Outlook for Keystone

TomorrowTomorrow

Light thunderstorms 53°/34° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 55°/31° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 37°/35° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Keystone

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Keystone

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 12:00 AM

PM2.5 Fine particles Good 1,5µg/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 1,7µg/m³

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

O₃ Ozone Good 48,3µg/m³

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

NO₂ Nitrogen dioxide Good 1,7µg/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 Keystone

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 4,1Moderate 😊Good

Tomorrow UV 4,6Moderate 🙂Fair

Sunday UV 0,0Low 🙂Fair

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

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

Cold conditions

Dress warmly and protect your hands and feet if you will be outdoors for an extended period.

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 Keystone

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KEYSTONE, COLORADO

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

19/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 91% Real hourly forecast for the best viewing hour.

☾ Moonlight 98% Full Moon · Moon about 28° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 60° 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 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Garden Grove US · Iowa · 171 residents Verona US · Illinois · 272 residents Poole GB · England · 141,005 residents Elk City US · Oklahoma · 11,361 residents St. Libory US · Nebraska · 307 residents Radcliffe GB · England · 31,115 residents North Aurora US · Illinois · 18,696 residents Flametree AU · Queensland · 143 residents Eldon No. 471 CA · Saskatchewan · 700 residents Plainview US · New York · 25,982 residents Gorman US · Texas · 997 residents Bountiful US · Utah · 45,023 residents Shadybrook US · Texas · 2,810 residents Cremorne (NSW) AU · New South Wales · 11,263 residents Leppington AU · New South Wales · 9,423 residents Lostant US · Illinois · 407 residents

Forecast data for Keystone were last refreshed today at 11:53 PM. The current forecast period extends through 26/09/2026 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.