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Current weather in Hardin is clear sky.

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

Is the weather forecast for Hardin updated regularly?

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

Now · 10:05 AM

Hardin Weather & Hourly Forecast

United States · Montana · 59034

71°F

Sunny

Feels like: 71°F

💧 Humidity 65% 🌡 Pressure 29.77 inHg 💨 Wind 6 mph 👁 Visibility 26.1 mi ☁ Clouds 9% ☀️ UV index 2.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Hardin

Today

11:00 AM

Sunny

75° 💧 0.001 in 💨 4 mph H 56%29.74 inHg

2:00 PM

Sunny

86° 💧 None 💨 19 mph H 14%29.65 inHg

5:00 PM

Sunny

80° 💧 None 💨 16 mph H 19%29.71 inHg

8:00 PM

Clear night

71° 💧 None 💨 7 mph H 26%29.83 inHg

11:00 PM

Clear night

62° 💧 None 💨 3 mph H 43%29.88 inHg

Tomorrow

2:00 AM

Clear night

56° 💧 None 💨 3 mph H 54%29.97 inHg

5:00 AM

Clear night

55° 💧 None 💨 6 mph H 47%30.03 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 44%30.06 inHg

11:00 AM

Sunny

68° 💧 None 💨 6 mph H 31%30.06 inHg

2:00 PM

Sunny

77° 💧 0.000 in 💨 11 mph H 19%30.00 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 15 mph H 20%30.00 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 10 mph H 47%30.12 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 56%30.24 inHg

Wednesday

2:00 AM

Clear night

55° 💧 None 💨 5 mph H 63%30.24 inHg

5:00 AM

Clear night

53° 💧 None 💨 4 mph H 64%30.24 inHg

8:00 AM

Sunny

55° 💧 None 💨 3 mph H 57%30.24 inHg

Today

11:00 AM

Sunny

75° 💧 None 💨 4 mph H 56%29.74 inHg

12:00 PM

Mostly sunny

79° 💧 0.000 in 💨 5 mph H 43%29.71 inHg

1:00 PM

Mostly sunny

83° 💧 0.001 in 💨 9 mph H 30%29.68 inHg

2:00 PM

Sunny

86° 💧 None 💨 19 mph H 14%29.65 inHg

3:00 PM

Sunny

81° 💧 None 💨 18 mph H 24%29.71 inHg

4:00 PM

Sunny

82° 💧 None 💨 18 mph H 18%29.71 inHg

5:00 PM

Sunny

80° 💧 None 💨 16 mph H 19%29.71 inHg

6:00 PM

Sunny

78° 💧 None 💨 13 mph H 18%29.74 inHg

7:00 PM

Sunny

75° 💧 None 💨 10 mph H 21%29.77 inHg

8:00 PM

Clear night

71° 💧 None 💨 7 mph H 26%29.83 inHg

9:00 PM

Clear night

67° 💧 None 💨 4 mph H 33%29.85 inHg

10:00 PM

Clear night

64° 💧 None 💨 2 mph H 40%29.88 inHg

11:00 PM

Clear night

62° 💧 None 💨 3 mph H 43%29.88 inHg

Tomorrow

12:00 AM

Clear night

60° 💧 None 💨 2 mph H 48%29.91 inHg

1:00 AM

Clear night

58° 💧 None 💨 2 mph H 52%29.94 inHg

2:00 AM

Clear night

56° 💧 None 💨 3 mph H 54%29.97 inHg

3:00 AM

Clear night

56° 💧 None 💨 4 mph H 51%29.97 inHg

4:00 AM

Clear night

56° 💧 None 💨 6 mph H 48%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 6 mph H 47%30.03 inHg

6:00 AM

Clear night

55° 💧 None 💨 7 mph H 47%30.03 inHg

7:00 AM

Sunny

54° 💧 None 💨 7 mph H 48%30.06 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 44%30.06 inHg

9:00 AM

Sunny

62° 💧 None 💨 6 mph H 37%30.09 inHg

10:00 AM

Sunny

65° 💧 None 💨 6 mph H 34%30.09 inHg

11:00 AM

Sunny

68° 💧 None 💨 6 mph H 31%30.06 inHg

12:00 PM

Sunny

71° 💧 None 💨 7 mph H 28%30.03 inHg

1:00 PM

Sunny

74° 💧 None 💨 9 mph H 24%30.00 inHg

2:00 PM

Sunny

77° 💧 None 💨 11 mph H 19%30.00 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 14 mph H 18%29.97 inHg

4:00 PM

Partly cloudy

77° 💧 0.000 in 💨 13 mph H 18%30.00 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 15 mph H 20%30.00 inHg

6:00 PM

Sunny

75° 💧 None 💨 15 mph H 18%30.03 inHg

7:00 PM

Sunny

67° 💧 None 💨 16 mph H 37%30.09 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 10 mph H 47%30.12 inHg

9:00 PM

Clear night

62° 💧 None 💨 11 mph H 49%30.18 inHg

10:00 PM

Clear night

60° 💧 None 💨 4 mph H 51%30.24 inHg

11:00 PM

Clear night

57° 💧 None 💨 3 mph H 56%30.24 inHg

Wednesday

12:00 AM

Clear night

56° 💧 None 💨 4 mph H 59%30.24 inHg

1:00 AM

Clear night

56° 💧 None 💨 5 mph H 62%30.24 inHg

2:00 AM

Clear night

55° 💧 None 💨 5 mph H 63%30.24 inHg

3:00 AM

Clear night

54° 💧 None 💨 6 mph H 63%30.24 inHg

4:00 AM

Clear night

54° 💧 None 💨 5 mph H 62%30.24 inHg

5:00 AM

Clear night

53° 💧 None 💨 4 mph H 64%30.24 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 66%30.24 inHg

7:00 AM

Sunny

51° 💧 None 💨 3 mph H 67%30.24 inHg

8:00 AM

Sunny

55° 💧 None 💨 3 mph H 57%30.24 inHg

9:00 AM

Sunny

60° 💧 None 💨 1 mph H 44%30.24 inHg

10:00 AM

Sunny

66° 💧 None 💨 2 mph H 34%30.21 inHg

11:00 AM

Sunny

72° 💧 None 💨 3 mph H 26%30.18 inHg

12:00 PM

Sunny

76° 💧 None 💨 4 mph H 21%30.15 inHg

1:00 PM

Sunny

79° 💧 None 💨 5 mph H 19%30.09 inHg

2:00 PM

Sunny

82° 💧 None 💨 7 mph H 16%30.06 inHg

3:00 PM

Sunny

82° 💧 None 💨 9 mph H 15%30.03 inHg

4:00 PM

Sunny

82° 💧 None 💨 9 mph H 16%30.00 inHg

5:00 PM

Sunny

82° 💧 None 💨 9 mph H 16%29.97 inHg

6:00 PM

Sunny

82° 💧 None 💨 8 mph H 16%29.94 inHg

Thursday

3:00 AM

Clear night

55° 💧 None 💨 4 mph H 51%29.94 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 58%29.94 inHg

9:00 AM

Mostly sunny

64° 💧 None 💨 3 mph H 36%29.88 inHg

12:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 14%29.80 inHg

3:00 PM

Sunny

89° 💧 None 💨 8 mph H 10%29.68 inHg

6:00 PM

Sunny

87° 💧 None 💨 3 mph H 11%29.62 inHg

9:00 PM

Clear night

75° 💧 None 💨 1 mph H 20%29.59 inHg

Friday

12:00 AM

Partly cloudy night

66° 💧 None 💨 4 mph H 24%29.59 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 41%29.59 inHg

6:00 AM

Clear night

58° 💧 None 💨 7 mph H 67%29.65 inHg

9:00 AM

Overcast

61° 💧 None 💨 13 mph H 70%29.83 inHg

12:00 PM

Mostly sunny

68° 💧 None 💨 15 mph H 42%29.85 inHg

3:00 PM

Sunny

64° 💧 None 💨 13 mph H 40%29.94 inHg

6:00 PM

Sunny

63° 💧 None 💨 8 mph H 37%29.97 inHg

9:00 PM

Clear night

56° 💧 None 💨 4 mph H 47%30.03 inHg

Saturday

12:00 AM

Partly cloudy night

52° 💧 None 💨 4 mph H 59%30.09 inHg

3:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 67%30.12 inHg

6:00 AM

Mostly clear night

48° 💧 None 💨 6 mph H 71%30.12 inHg

9:00 AM

Mostly sunny

55° 💧 None 💨 8 mph H 51%30.12 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 11 mph H 34%30.03 inHg

3:00 PM

Mostly cloudy

71° 💧 None 💨 11 mph H 28%29.94 inHg

6:00 PM

Sunny

69° 💧 None 💨 14 mph H 31%29.85 inHg

9:00 PM

Mostly cloudy night

61° 💧 None 💨 15 mph H 43%29.83 inHg

Sunday

12:00 AM

Mostly cloudy night

61° 💧 None 💨 11 mph H 42%29.77 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 14 mph H 54%29.91 inHg

12:00 PM

Mostly sunny

48° 💧 None 💨 3 mph H 72%29.94 inHg

6:00 PM

Partly cloudy

63° 💧 None 💨 8 mph H 44%29.97 inHg

Monday

12:00 AM

Partly cloudy night

64° 💧 None 💨 13 mph H 46%29.91 inHg

6:00 AM

Partly cloudy night

52° 💧 None 💨 6 mph H 89%30.06 inHg

12:00 PM

Mostly sunny

47° 💧 None 💨 3 mph H 94%30.09 inHg

6:00 PM

Light rain

62° 💧 None 💨 16 mph H 39%30.12 inHg

Tuesday

12:00 AM

Clear night

69° 💧 None 💨 10 mph H 22%30.03 inHg

6:00 AM

Clear night

51° 💧 None 💨 4 mph H 55%30.15 inHg

12:00 PM

Sunny

45° 💧 None 💨 4 mph H 68%30.18 inHg

6:00 PM

Sunny

69° 💧 None 💨 7 mph H 27%30.21 inHg

Wednesday

12:00 AM

Clear night

69° 💧 None 💨 12 mph H 28%30.15 inHg

6:00 AM

Clear night

54° 💧 None 💨 9 mph H 57%30.33 inHg

12:00 PM

Mostly sunny

48° 💧 None 💨 8 mph H 75%30.36 inHg

6:00 PM

Sunny

66° 💧 None 💨 7 mph H 41%30.27 inHg

Thursday

12:00 AM

Mostly clear night

72° 💧 None 💨 10 mph H 35%30.15 inHg

6:00 AM

Overcast night

57° 💧 None 💨 8 mph H 67%30.30 inHg

12:00 PM

Mostly cloudy

51° 💧 None 💨 5 mph H 84%30.36 inHg

6:00 PM

Overcast

64° 💧 None 💨 2 mph H 56%30.36 inHg

Friday

12:00 AM

Overcast night

69° 💧 None 💨 4 mph H 52%30.30 inHg

6:00 AM

Mostly cloudy night

59° 💧 None 💨 3 mph H 77%30.30 inHg

12:00 PM

Mostly sunny

55° 💧 None 💨 2 mph H 86%30.27 inHg

6:00 PM

Sunny

71° 💧 None 💨 1 mph H 49%30.24 inHg

Saturday

12:00 AM

Clear night

78° 💧 None 💨 6 mph H 39%30.06 inHg

6:00 AM

Clear night

64° 💧 None 💨 4 mph H 65%30.09 inHg

12:00 PM

Partly cloudy

57° 💧 None 💨 3 mph H 92%30.09 inHg

6:00 PM

Overcast

76° 💧 None 💨 2 mph H 48%30.03 inHg

Sunday

12:00 AM

Partly cloudy night

81° 💧 None 💨 7 mph H 34%29.88 inHg

6:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 63%29.91 inHg

12:00 PM

Sunny

57° 💧 None 💨 0 mph H 82%30.00 inHg

6:00 PM

Mostly sunny

74° 💧 None 💨 6 mph H 48%30.06 inHg

Monday

12:00 AM

Clear night

76° 💧 None 💨 7 mph H 33%30.00 inHg

6:00 AM

Clear night

60° 💧 None 💨 5 mph H 63%30.03 inHg

12:00 PM

Sunny

55° 💧 None 💨 4 mph H 72%29.97 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 3 mph H 28%29.85 inHg

Tuesday

12:00 AM

Partly cloudy night

86° 💧 None 💨 9 mph H 18%29.62 inHg

In Hardin and, more broadly, across the state of Montana: This morning, mostly cloudy skies will set a cool tone, with temperatures ranging from 47 to 51 degrees Fahrenheit. Expect noticeable west winds, peaking at around 26 mph with gusts reaching 38 mph. Conditions may bring some rain, with total accumulation around 0.12 inches, especially during the afternoon hours. The wind and potential rain could create a brisk and damp environment, so dressing accordingly is advised. Temperatures are expected to remain steady, and the weather may feel quite blustery through the day.

15-Day Weather Outlook for Hardin

TomorrowTomorrow

Partly cloudy 78°/54° 💧 None 💨 15 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 82°/51° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 89°/52° 💧 0.086 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 87°/58° 💧 0.018 in 💨 15 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 71°/48° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 69°/48° 💧 0.004 in 💨 15 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 64°/47° 💧 0.060 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Light rain 69°/45° 💧 0.006 in 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 69°/48° 💧 None 💨 12 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 72°/51° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Overcast 69°/55° 💧 None 💨 4 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 78°/57° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 81°/57° 💧 None 💨 7 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 76°/55° 💧 0.001 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 86°/79° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hardin

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hardin

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,1µg/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 3,0µg/m³

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

O₃ Ozone Fair 73,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 Hardin

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 6,6High 🙂Fair

Tomorrow UV 6,2High 🙂Fair

Wednesday UV 6,0High 🙂Fair

Thursday UV 6,0High 😐Moderate

Friday UV 6,0High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 3,0Moderate —Unavailable

Hourly UV index today

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

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.

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 Hardin

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARDIN, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:21 PM–4:56 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 65° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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 Hardin were last refreshed today at 10:05 AM. The current forecast period extends through 09/09/2026 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.