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Current weather in Grant is light rain.

Where can I find the hourly weather forecast for Grant?

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

Is the weather forecast for Grant updated regularly?

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

Now · 7:22 PM

Grant Weather & Hourly Forecast

United States · Montana · 59725

60°F

Light rain

Feels like: 57°F

💧 Humidity 57% 🌡 Pressure 29.91 inHg 💨 Wind 2 mph 👁 Visibility 11.7 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:18 AM 🌇 Sunset 7:31 PM

Hourly Forecast for Grant

Today

8:00 PM

Overcast night

57° 💧 0.003 in 💨 5 mph H 65%29.94 inHg

11:00 PM

Mostly cloudy night

50° 💧 0.000 in 💨 3 mph H 84%29.97 inHg

Tomorrow

2:00 AM

Mostly clear night

45° 💧 None 💨 2 mph H 88%30.00 inHg

5:00 AM

Mostly clear night

43° 💧 None 💨 3 mph H 88%30.03 inHg

8:00 AM

Sunny

43° 💧 None 💨 2 mph H 88%30.09 inHg

11:00 AM

Sunny

58° 💧 0.001 in 💨 1 mph H 57%30.09 inHg

2:00 PM

Sunny

66° 💧 0.002 in 💨 2 mph H 36%30.03 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 4 mph H 30%30.00 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 0 mph H 43%30.00 inHg

11:00 PM

Clear night

50° 💧 None 💨 2 mph H 62%30.09 inHg

Thursday

2:00 AM

Clear night

47° 💧 None 💨 1 mph H 70%30.12 inHg

5:00 AM

Clear night

46° 💧 None 💨 0 mph H 69%30.15 inHg

8:00 AM

Mostly sunny

46° 💧 None 💨 0 mph H 80%30.21 inHg

11:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 70%30.18 inHg

2:00 PM

Sunny

68° 💧 None 💨 5 mph H 44%30.03 inHg

5:00 PM

Sunny

73° 💧 None 💨 6 mph H 27%29.91 inHg

Today

8:00 PM

Overcast night

57° 💧 0.003 in 💨 5 mph H 65%29.94 inHg

9:00 PM

Overcast night

54° 💧 None 💨 5 mph H 73%29.97 inHg

10:00 PM

Mostly cloudy night

52° 💧 None 💨 4 mph H 80%29.97 inHg

11:00 PM

Mostly cloudy night

50° 💧 None 💨 3 mph H 84%29.97 inHg

Tomorrow

12:00 AM

Mostly cloudy night

47° 💧 None 💨 2 mph H 87%29.97 inHg

1:00 AM

Mostly cloudy night

46° 💧 0.000 in 💨 2 mph H 88%30.00 inHg

2:00 AM

Mostly clear night

45° 💧 None 💨 2 mph H 88%30.00 inHg

3:00 AM

Mostly clear night

44° 💧 None 💨 2 mph H 87%30.00 inHg

4:00 AM

Mostly clear night

43° 💧 None 💨 3 mph H 87%30.03 inHg

5:00 AM

Mostly clear night

43° 💧 None 💨 3 mph H 88%30.03 inHg

6:00 AM

Clear night

42° 💧 None 💨 2 mph H 88%30.06 inHg

7:00 AM

Clear night

41° 💧 None 💨 2 mph H 90%30.09 inHg

8:00 AM

Sunny

43° 💧 None 💨 2 mph H 88%30.09 inHg

9:00 AM

Sunny

49° 💧 None 💨 1 mph H 76%30.12 inHg

10:00 AM

Sunny

54° 💧 None 💨 1 mph H 65%30.12 inHg

11:00 AM

Sunny

58° 💧 None 💨 1 mph H 57%30.09 inHg

12:00 PM

Sunny

62° 💧 None 💨 1 mph H 48%30.09 inHg

1:00 PM

Mostly sunny

64° 💧 0.001 in 💨 1 mph H 40%30.06 inHg

2:00 PM

Sunny

66° 💧 0.001 in 💨 2 mph H 36%30.03 inHg

3:00 PM

Sunny

67° 💧 0.001 in 💨 2 mph H 33%30.00 inHg

4:00 PM

Sunny

67° 💧 None 💨 2 mph H 31%30.00 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 4 mph H 30%30.00 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 4 mph H 32%30.00 inHg

7:00 PM

Mostly sunny

63° 💧 None 💨 0 mph H 43%30.00 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 0 mph H 43%30.00 inHg

9:00 PM

Partly cloudy night

57° 💧 None 💨 2 mph H 48%30.03 inHg

10:00 PM

Mostly clear night

53° 💧 None 💨 1 mph H 55%30.06 inHg

11:00 PM

Clear night

50° 💧 None 💨 2 mph H 62%30.09 inHg

Thursday

12:00 AM

Clear night

48° 💧 None 💨 1 mph H 65%30.09 inHg

1:00 AM

Clear night

47° 💧 None 💨 1 mph H 69%30.12 inHg

2:00 AM

Clear night

47° 💧 None 💨 1 mph H 70%30.12 inHg

3:00 AM

Clear night

47° 💧 None 💨 1 mph H 69%30.12 inHg

4:00 AM

Clear night

46° 💧 None 💨 0 mph H 68%30.15 inHg

5:00 AM

Clear night

46° 💧 None 💨 0 mph H 69%30.15 inHg

6:00 AM

Clear night

46° 💧 None 💨 0 mph H 72%30.15 inHg

7:00 AM

Clear night

45° 💧 None 💨 0 mph H 77%30.18 inHg

8:00 AM

Mostly sunny

46° 💧 None 💨 0 mph H 80%30.21 inHg

9:00 AM

Mostly sunny

48° 💧 None 💨 2 mph H 76%30.21 inHg

10:00 AM

Mostly sunny

51° 💧 None 💨 3 mph H 76%30.18 inHg

11:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 70%30.18 inHg

12:00 PM

Sunny

59° 💧 None 💨 4 mph H 60%30.12 inHg

1:00 PM

Sunny

64° 💧 None 💨 4 mph H 51%30.06 inHg

2:00 PM

Sunny

68° 💧 None 💨 5 mph H 44%30.03 inHg

3:00 PM

Sunny

70° 💧 None 💨 6 mph H 36%29.97 inHg

4:00 PM

Sunny

72° 💧 None 💨 6 mph H 31%29.91 inHg

5:00 PM

Sunny

73° 💧 None 💨 6 mph H 27%29.91 inHg

6:00 PM

Sunny

72° 💧 None 💨 5 mph H 28%29.88 inHg

7:00 PM

Sunny

66° 💧 None 💨 5 mph H 36%29.88 inHg

8:00 PM

Clear night

61° 💧 None 💨 4 mph H 41%29.91 inHg

9:00 PM

Clear night

57° 💧 None 💨 3 mph H 49%29.94 inHg

10:00 PM

Clear night

55° 💧 None 💨 2 mph H 54%29.94 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 57%29.97 inHg

Friday

12:00 AM

Clear night

50° 💧 None 💨 2 mph H 59%29.94 inHg

1:00 AM

Clear night

49° 💧 None 💨 1 mph H 59%29.94 inHg

2:00 AM

Clear night

48° 💧 None 💨 1 mph H 58%29.94 inHg

3:00 AM

Clear night

47° 💧 None 💨 1 mph H 57%29.94 inHg

4:00 AM

Clear night

46° 💧 None 💨 1 mph H 57%29.94 inHg

5:00 AM

Clear night

46° 💧 None 💨 1 mph H 57%29.94 inHg

6:00 AM

Clear night

45° 💧 None 💨 1 mph H 59%29.94 inHg

3:00 PM

Light rain

74° 💧 None 💨 12 mph H 24%29.68 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 11 mph H 23%29.62 inHg

9:00 PM

Mostly cloudy night

63° 💧 None 💨 8 mph H 29%29.68 inHg

Saturday

12:00 AM

Mostly clear night

51° 💧 None 💨 3 mph H 47%29.88 inHg

3:00 AM

Mostly clear night

45° 💧 None 💨 4 mph H 49%29.94 inHg

6:00 AM

Clear night

37° 💧 None 💨 2 mph H 81%30.09 inHg

9:00 AM

Sunny

41° 💧 None 💨 1 mph H 72%30.15 inHg

12:00 PM

Sunny

52° 💧 None 💨 3 mph H 39%30.06 inHg

3:00 PM

Partly cloudy

59° 💧 None 💨 6 mph H 25%29.97 inHg

6:00 PM

Mostly cloudy

58° 💧 None 💨 6 mph H 25%29.94 inHg

9:00 PM

Mostly cloudy night

51° 💧 None 💨 2 mph H 38%29.97 inHg

Sunday

12:00 AM

Mostly cloudy night

47° 💧 None 💨 0 mph H 47%29.97 inHg

3:00 AM

Mostly cloudy night

43° 💧 None 💨 0 mph H 55%29.97 inHg

6:00 AM

Mostly cloudy night

41° 💧 None 💨 0 mph H 59%30.00 inHg

9:00 AM

Partly cloudy

45° 💧 None 💨 2 mph H 51%30.00 inHg

12:00 PM

Partly cloudy

57° 💧 None 💨 7 mph H 34%29.94 inHg

3:00 PM

Sunny

58° 💧 None 💨 9 mph H 37%29.91 inHg

6:00 PM

Partly cloudy

58° 💧 None 💨 6 mph H 33%29.88 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 1 mph H 45%29.94 inHg

Monday

12:00 AM

Clear night

40° 💧 None 💨 1 mph H 62%30.00 inHg

3:00 AM

Clear night

37° 💧 None 💨 1 mph H 67%30.03 inHg

6:00 AM

Clear night

35° 💧 None 💨 1 mph H 69%30.06 inHg

9:00 AM

Sunny

40° 💧 None 💨 1 mph H 58%30.09 inHg

12:00 PM

Mostly sunny

54° 💧 None 💨 2 mph H 31%30.03 inHg

6:00 PM

Moderate rain

47° 💧 None 💨 4 mph H 78%30.00 inHg

Tuesday

12:00 AM

Mostly clear night

55° 💧 None 💨 3 mph H 52%29.88 inHg

6:00 AM

Clear night

44° 💧 None 💨 0 mph H 77%29.91 inHg

12:00 PM

Mostly sunny

39° 💧 None 💨 1 mph H 78%29.94 inHg

6:00 PM

Partly cloudy

57° 💧 None 💨 3 mph H 49%29.88 inHg

Wednesday

12:00 AM

Clear night

66° 💧 None 💨 4 mph H 26%29.71 inHg

6:00 AM

Clear night

47° 💧 None 💨 3 mph H 61%29.80 inHg

12:00 PM

Partly cloudy

43° 💧 None 💨 2 mph H 60%29.74 inHg

6:00 PM

Overcast

60° 💧 None 💨 2 mph H 38%29.62 inHg

Thursday

12:00 AM

Partly cloudy night

49° 💧 None 💨 11 mph H 62%29.74 inHg

6:00 AM

Mostly clear night

38° 💧 None 💨 4 mph H 81%30.00 inHg

12:00 PM

Partly cloudy

35° 💧 None 💨 4 mph H 70%30.15 inHg

6:00 PM

Partly cloudy

45° 💧 None 💨 7 mph H 37%30.21 inHg

Friday

12:00 AM

Clear night

49° 💧 None 💨 6 mph H 31%30.18 inHg

6:00 AM

Clear night

33° 💧 None 💨 1 mph H 70%30.27 inHg

12:00 PM

Mostly sunny

31° 💧 None 💨 0 mph H 65%30.33 inHg

6:00 PM

Mostly sunny

48° 💧 None 💨 1 mph H 36%30.27 inHg

Saturday

12:00 AM

Clear night

56° 💧 None 💨 3 mph H 25%30.09 inHg

6:00 AM

Clear night

42° 💧 None 💨 0 mph H 56%30.12 inHg

12:00 PM

Sunny

37° 💧 None 💨 1 mph H 55%30.12 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 2 mph H 32%30.03 inHg

Sunday

12:00 AM

Overcast night

62° 💧 None 💨 2 mph H 29%29.85 inHg

6:00 AM

Overcast night

48° 💧 None 💨 1 mph H 49%29.91 inHg

12:00 PM

Sunny

39° 💧 None 💨 1 mph H 68%29.88 inHg

6:00 PM

Mostly sunny

60° 💧 None 💨 3 mph H 30%29.83 inHg

Monday

12:00 AM

Overcast night

63° 💧 None 💨 3 mph H 25%29.68 inHg

6:00 AM

Clear night

40° 💧 None 💨 1 mph H 56%29.83 inHg

12:00 PM

Sunny

34° 💧 None 💨 0 mph H 70%29.85 inHg

6:00 PM

Sunny

49° 💧 None 💨 6 mph H 42%29.83 inHg

Tuesday

12:00 AM

Moderate rain

46° 💧 None 💨 13 mph H 64%29.83 inHg

6:00 AM

Rain and snow

34° 💧 None 💨 3 mph H 98%30.00 inHg

12:00 PM

Sleet

33° 💧 None 💨 3 mph H 96%30.00 inHg

6:00 PM

Sleet showers

34° 💧 None 💨 3 mph H 90%30.03 inHg

Wednesday

12:00 AM

Sleet

33° 💧 None 💨 1 mph H 95%30.12 inHg

6:00 AM

Light snow

31° 💧 None 💨 1 mph H 94%30.21 inHg

12:00 PM

Light snow

31° 💧 None 💨 1 mph H 87%30.24 inHg

In Grant and, more broadly, across the state of Montana: Clear skies are expected tonight with temperatures holding steady around 62 degrees. Light southeast winds will prevail, generally blowing at 3 to 5 mph, with occasional gusts reaching up to 10 mph. No precipitation is forecasted for the evening and the upcoming hours. It will remain a cool and tranquil night, making it a good time to enjoy the clear sky and gentle breeze. Temperatures are unlikely to fluctuate significantly through the evening, providing a calm and comfortable environment.

15-Day Weather Outlook for Grant

TomorrowTomorrow

Mostly cloudy 67°/41° 💧 None 💨 4 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 73°/45° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Light rain 74°/45° 💧 0.017 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 59°/37° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 58°/41° 💧 0.001 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Moderate rain 54°/35° 💧 0.126 in 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 57°/39° 💧 0.035 in 💨 3 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 66°/43° 💧 None 💨 4 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 49°/35° 💧 0.088 in 💨 11 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 49°/31° 💧 None 💨 6 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 56°/37° 💧 None 💨 3 mph

Sunday, Oct 4Sun Oct 4

Overcast 62°/39° 💧 None 💨 3 mph

Monday, Oct 5Mon Oct 5

Overcast 63°/34° 💧 None 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Sleet showers 46°/33° 💧 1.361 in 💨 13 mph

Wednesday, Oct 7Wed Oct 7

Sleet 33°/31° 💧 0.979 in 💨 1 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grant

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grant

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 8:00 PM

PM2.5 Fine particles Good 1,0µg/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 1,2µg/m³

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

O₃ Ozone Fair 63,6µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/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 Grant

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 4,9Moderate 🙂Fair

Tomorrow UV 5,5Moderate 🙂Fair

Thursday UV 5,5Moderate 🙂Fair

Friday UV 5,1Moderate 🙂Fair

Saturday UV 5,0Moderate 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Grant

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GRANT, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:08 PM–5:42 AM

☁ Cloud cover 3% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 57° 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 min69%

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.

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Forecast data for Grant were last refreshed today at 7:22 PM. The current forecast period extends through 24/09/2026 at 5:00 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.