What is the weather in Grand Junction right now?

Current weather in Grand Junction is light rain.

Where can I find the hourly weather forecast for Grand Junction?

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

Is the weather forecast for Grand Junction updated regularly?

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

Now · 10:46 AM

Grand Junction Weather & Hourly Forecast

United States · Iowa · 50107

63°F

Light rain

Feels like: 61°F

💧 Humidity 88% 🌡 Pressure 30.27 inHg 💨 Wind 8 mph 👁 Visibility 5.3 mi ☁ Clouds 100% ☀️ UV index 0.4 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Grand Junction

Today

11:00 AM

Light rain

63° 💧 0.030 in 💨 8 mph H 88%30.27 inHg

2:00 PM

Light rain

64° 💧 0.081 in 💨 8 mph H 92%30.24 inHg

5:00 PM

Overcast

68° 💧 0.002 in 💨 7 mph H 85%30.18 inHg

8:00 PM

Overcast night

67° 💧 0.022 in 💨 6 mph H 93%30.18 inHg

11:00 PM

Overcast night

65° 💧 0.024 in 💨 3 mph H 98%30.21 inHg

Tomorrow

2:00 AM

Overcast night

64° 💧 0.003 in 💨 2 mph H 99%30.18 inHg

5:00 AM

Overcast night

64° 💧 0.001 in 💨 3 mph H 98%30.21 inHg

8:00 AM

Overcast

65° 💧 0.002 in 💨 0 mph H 98%30.24 inHg

11:00 AM

Overcast

71° 💧 0.002 in 💨 3 mph H 86%30.27 inHg

2:00 PM

Overcast

76° 💧 0.001 in 💨 1 mph H 72%30.24 inHg

5:00 PM

Overcast

77° 💧 None 💨 2 mph H 69%30.18 inHg

8:00 PM

Mostly clear night

70° 💧 0.000 in 💨 4 mph H 89%30.18 inHg

11:00 PM

Clear night

68° 💧 None 💨 8 mph H 93%30.24 inHg

Friday

2:00 AM

Overcast night

67° 💧 0.000 in 💨 8 mph H 95%30.21 inHg

5:00 AM

Mostly cloudy night

67° 💧 0.001 in 💨 10 mph H 92%30.18 inHg

8:00 AM

Overcast

68° 💧 None 💨 12 mph H 92%30.15 inHg

Today

11:00 AM

Light rain

63° 💧 0.007 in 💨 8 mph H 88%30.27 inHg

12:00 PM

Light rain

64° 💧 0.008 in 💨 8 mph H 87%30.27 inHg

1:00 PM

Light rain

64° 💧 0.015 in 💨 8 mph H 89%30.24 inHg

2:00 PM

Light rain

64° 💧 0.041 in 💨 8 mph H 92%30.24 inHg

3:00 PM

Light rain

64° 💧 0.037 in 💨 8 mph H 93%30.21 inHg

4:00 PM

Overcast

66° 💧 0.003 in 💨 8 mph H 87%30.21 inHg

5:00 PM

Overcast

68° 💧 0.001 in 💨 7 mph H 85%30.18 inHg

6:00 PM

Overcast

68° 💧 0.001 in 💨 6 mph H 86%30.18 inHg

7:00 PM

Overcast

67° 💧 None 💨 5 mph H 90%30.18 inHg

8:00 PM

Overcast night

67° 💧 None 💨 6 mph H 93%30.18 inHg

9:00 PM

Overcast night

66° 💧 None 💨 5 mph H 94%30.21 inHg

10:00 PM

Light rain

66° 💧 0.022 in 💨 3 mph H 96%30.21 inHg

11:00 PM

Overcast night

65° 💧 0.003 in 💨 3 mph H 98%30.21 inHg

Tomorrow

12:00 AM

Partly cloudy night

65° 💧 None 💨 3 mph H 98%30.21 inHg

1:00 AM

Light rain

64° 💧 0.021 in 💨 4 mph H 99%30.18 inHg

2:00 AM

Overcast night

64° 💧 0.002 in 💨 2 mph H 99%30.18 inHg

3:00 AM

Mostly cloudy night

64° 💧 0.001 in 💨 4 mph H 99%30.18 inHg

4:00 AM

Overcast night

64° 💧 None 💨 2 mph H 99%30.18 inHg

5:00 AM

Overcast night

64° 💧 None 💨 3 mph H 98%30.21 inHg

6:00 AM

Overcast night

64° 💧 0.000 in 💨 4 mph H 98%30.21 inHg

7:00 AM

Overcast

65° 💧 0.001 in 💨 2 mph H 98%30.24 inHg

8:00 AM

Overcast

65° 💧 0.002 in 💨 0 mph H 98%30.24 inHg

9:00 AM

Overcast

66° 💧 0.000 in 💨 3 mph H 96%30.24 inHg

10:00 AM

Overcast

69° 💧 0.000 in 💨 3 mph H 90%30.24 inHg

11:00 AM

Overcast

71° 💧 None 💨 3 mph H 86%30.27 inHg

12:00 PM

Overcast

74° 💧 0.000 in 💨 4 mph H 77%30.27 inHg

1:00 PM

Overcast

75° 💧 0.001 in 💨 3 mph H 75%30.24 inHg

2:00 PM

Overcast

76° 💧 0.001 in 💨 1 mph H 72%30.24 inHg

3:00 PM

Overcast

76° 💧 0.000 in 💨 1 mph H 70%30.21 inHg

4:00 PM

Partly cloudy

76° 💧 None 💨 2 mph H 71%30.21 inHg

5:00 PM

Overcast

77° 💧 None 💨 2 mph H 69%30.18 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 2 mph H 71%30.18 inHg

7:00 PM

Sunny

74° 💧 None 💨 3 mph H 81%30.18 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 4 mph H 89%30.18 inHg

9:00 PM

Partly cloudy night

70° 💧 0.000 in 💨 7 mph H 90%30.21 inHg

10:00 PM

Mostly clear night

69° 💧 None 💨 8 mph H 92%30.24 inHg

11:00 PM

Clear night

68° 💧 None 💨 8 mph H 93%30.24 inHg

Friday

12:00 AM

Mostly cloudy night

68° 💧 None 💨 8 mph H 94%30.24 inHg

1:00 AM

Mostly cloudy night

67° 💧 None 💨 8 mph H 94%30.21 inHg

2:00 AM

Overcast night

67° 💧 None 💨 8 mph H 95%30.21 inHg

3:00 AM

Overcast night

67° 💧 None 💨 9 mph H 92%30.21 inHg

4:00 AM

Overcast night

67° 💧 0.000 in 💨 11 mph H 91%30.18 inHg

5:00 AM

Mostly cloudy night

67° 💧 0.001 in 💨 10 mph H 92%30.18 inHg

6:00 AM

Overcast night

67° 💧 None 💨 9 mph H 94%30.18 inHg

7:00 AM

Overcast

67° 💧 None 💨 11 mph H 93%30.15 inHg

8:00 AM

Overcast

68° 💧 None 💨 12 mph H 92%30.15 inHg

9:00 AM

Overcast

70° 💧 None 💨 15 mph H 89%30.12 inHg

10:00 AM

Overcast

73° 💧 None 💨 15 mph H 85%30.12 inHg

11:00 AM

Overcast

76° 💧 None 💨 15 mph H 82%30.09 inHg

12:00 PM

Overcast

77° 💧 0.000 in 💨 16 mph H 80%30.06 inHg

1:00 PM

Overcast

80° 💧 0.000 in 💨 17 mph H 75%30.03 inHg

2:00 PM

Mostly sunny

81° 💧 0.000 in 💨 14 mph H 73%30.00 inHg

3:00 PM

Sunny

84° 💧 None 💨 15 mph H 71%29.94 inHg

4:00 PM

Sunny

85° 💧 None 💨 16 mph H 72%29.91 inHg

5:00 PM

Sunny

85° 💧 None 💨 15 mph H 72%29.88 inHg

6:00 PM

Sunny

84° 💧 None 💨 15 mph H 75%29.88 inHg

7:00 PM

Sunny

81° 💧 None 💨 16 mph H 79%29.85 inHg

Saturday

4:00 AM

Overcast night

73° 💧 None 💨 10 mph H 90%29.83 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 7 mph H 92%29.83 inHg

10:00 AM

Partly cloudy

75° 💧 None 💨 6 mph H 82%29.85 inHg

1:00 PM

Mostly sunny

80° 💧 None 💨 8 mph H 68%29.85 inHg

4:00 PM

Overcast

74° 💧 None 💨 12 mph H 77%29.85 inHg

7:00 PM

Partly cloudy

68° 💧 None 💨 10 mph H 82%29.88 inHg

10:00 PM

Overcast night

67° 💧 None 💨 7 mph H 83%29.97 inHg

Sunday

1:00 AM

Overcast night

65° 💧 None 💨 9 mph H 86%29.94 inHg

4:00 AM

Overcast night

64° 💧 None 💨 7 mph H 85%29.94 inHg

7:00 AM

Moderate rain

62° 💧 None 💨 7 mph H 94%29.94 inHg

10:00 AM

Moderate rain

63° 💧 None 💨 9 mph H 94%29.97 inHg

1:00 PM

Heavy rain

64° 💧 None 💨 9 mph H 94%29.97 inHg

4:00 PM

Moderate rain

64° 💧 None 💨 11 mph H 94%29.94 inHg

7:00 PM

Light rain

62° 💧 None 💨 10 mph H 95%29.94 inHg

10:00 PM

Light rain

62° 💧 None 💨 10 mph H 95%29.97 inHg

Monday

1:00 AM

Overcast night

61° 💧 None 💨 11 mph H 94%29.94 inHg

4:00 AM

Light rain

60° 💧 None 💨 11 mph H 94%29.94 inHg

7:00 AM

Light rain

60° 💧 None 💨 9 mph H 95%29.97 inHg

10:00 AM

Overcast

61° 💧 None 💨 10 mph H 92%30.00 inHg

1:00 PM

Light rain

64° 💧 None 💨 9 mph H 83%30.00 inHg

4:00 PM

Light rain

64° 💧 None 💨 9 mph H 84%30.00 inHg

7:00 PM

Light rain

62° 💧 None 💨 9 mph H 94%30.03 inHg

10:00 PM

Overcast night

60° 💧 None 💨 10 mph H 92%30.09 inHg

Tuesday

1:00 AM

Overcast night

58° 💧 None 💨 8 mph H 86%30.12 inHg

7:00 AM

Overcast night

61° 💧 None 💨 5 mph H 91%30.09 inHg

1:00 PM

Overcast

59° 💧 None 💨 5 mph H 91%30.12 inHg

7:00 PM

Overcast

68° 💧 None 💨 4 mph H 67%30.15 inHg

Wednesday

1:00 AM

Mostly cloudy night

67° 💧 None 💨 3 mph H 74%30.12 inHg

7:00 AM

Mostly clear night

58° 💧 None 💨 4 mph H 97%30.21 inHg

1:00 PM

Overcast

56° 💧 None 💨 3 mph H 100%30.21 inHg

7:00 PM

Overcast

70° 💧 None 💨 10 mph H 70%30.21 inHg

Thursday

1:00 AM

Overcast night

70° 💧 None 💨 9 mph H 74%30.09 inHg

7:00 AM

Moderate rain

65° 💧 None 💨 9 mph H 94%30.09 inHg

1:00 PM

Light rain

67° 💧 None 💨 8 mph H 97%30.03 inHg

7:00 PM

Light rain

77° 💧 None 💨 11 mph H 75%30.03 inHg

Friday

1:00 AM

Clear night

73° 💧 None 💨 9 mph H 77%30.03 inHg

7:00 AM

Clear night

65° 💧 None 💨 6 mph H 94%30.12 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 97%30.18 inHg

7:00 PM

Overcast

73° 💧 None 💨 8 mph H 62%30.21 inHg

Saturday

1:00 AM

Clear night

68° 💧 None 💨 4 mph H 78%30.15 inHg

7:00 AM

Mostly clear night

60° 💧 None 💨 3 mph H 94%30.21 inHg

1:00 PM

Partly cloudy

55° 💧 None 💨 2 mph H 100%30.24 inHg

7:00 PM

Overcast

72° 💧 None 💨 2 mph H 63%30.21 inHg

Sunday

1:00 AM

Clear night

68° 💧 None 💨 2 mph H 76%30.12 inHg

7:00 AM

Clear night

59° 💧 None 💨 5 mph H 91%30.12 inHg

1:00 PM

Sunny

55° 💧 None 💨 3 mph H 97%30.09 inHg

7:00 PM

Mostly sunny

74° 💧 None 💨 4 mph H 59%30.06 inHg

Monday

1:00 AM

Clear night

68° 💧 None 💨 3 mph H 75%30.00 inHg

7:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 91%30.03 inHg

1:00 PM

Sunny

55° 💧 None 💨 4 mph H 95%30.00 inHg

7:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 59%29.97 inHg

Tuesday

1:00 AM

Overcast night

70° 💧 None 💨 6 mph H 70%29.91 inHg

7:00 AM

Clear night

62° 💧 None 💨 7 mph H 88%29.94 inHg

1:00 PM

Mostly sunny

59° 💧 None 💨 6 mph H 88%29.94 inHg

7:00 PM

Mostly sunny

78° 💧 None 💨 9 mph H 56%29.91 inHg

Wednesday

1:00 AM

Clear night

72° 💧 None 💨 6 mph H 73%29.83 inHg

7:00 AM

Mostly clear night

66° 💧 None 💨 9 mph H 78%29.85 inHg

1:00 PM

Sunny

63° 💧 None 💨 9 mph H 82%29.85 inHg

7:00 PM

Sunny

78° 💧 None 💨 11 mph H 63%29.83 inHg

Thursday

1:00 AM

Mostly clear night

76° 💧 None 💨 10 mph H 74%29.80 inHg

In Grand Junction and, more broadly, across the state of Iowa: The rest of the day will bring mostly cloudy skies with mild temperatures ranging from 65 to 69 degrees Fahrenheit. There is a possibility of light rain, with an expected accumulation of around 0.07 inches. The highest chance of rain will be during the afternoon, with about an 80% probability. Winds will be light from the east, reaching up to 8 mph, with occasional gusts up to 17 mph. Overall, expect a calm but somewhat damp afternoon, so carrying an umbrella might be a good idea if you plan to be outdoors. Temperatures will stay steady, making for a mild and relatively comfortable late-day period.

15-Day Weather Outlook for Grand Junction

TomorrowTomorrow

Partly cloudy 77°/64° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 85°/67° 💧 None 💨 17 mph

Saturday, Sep 19Sat Sep 19

Overcast 80°/67° 💧 0.382 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Heavy rain 65°/62° 💧 1.278 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Light rain 64°/60° 💧 0.148 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Overcast 68°/58° 💧 0.375 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Mostly cloudy 70°/56° 💧 0.002 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 77°/65° 💧 0.251 in 💨 11 mph

Friday, Sep 25Fri Sep 25

Overcast 73°/61° 💧 0.024 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 72°/55° 💧 0.005 in 💨 4 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 74°/55° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 74°/55° 💧 None 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Overcast 78°/59° 💧 None 💨 9 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 78°/63° 💧 None 💨 11 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 76°/76° 💧 0.026 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grand Junction

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grand Junction

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,2µg/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 1,2µg/m³

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

O₃ Ozone Good 41,9µg/m³

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

NO₂ Nitrogen dioxide Good 2,4µg/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 Grand Junction

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 2,5Low 😊Good

Tomorrow UV 4,4Moderate 🙂Fair

Friday UV 5,6Moderate 🙂Fair

Saturday UV 5,7Moderate 🙂Fair

Sunday UV 3,0Moderate 😊Good

Monday UV 4,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

11:00 AMUV 0,6 12:00 PMUV 2,5 1:00 PMUV 1,7 2:00 PMUV 0,9 3:00 PMUV 0,7 4:00 PMUV 0,8 5:00 PMUV 0,4 6:00 PMUV 0,1 7:00 PMUV 0,0

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

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 Grand Junction

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GRAND JUNCTION, IOWA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

52/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 8:59 PM–5:24 AM

☁ Cloud cover 59% Real hourly forecast for the best viewing hour.

☾ Moonlight 29% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 38° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min42%

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.

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Forecast data for Grand Junction were last refreshed today at 10:32 AM. The current forecast period extends through 18/09/2026 at 8:00 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.