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Current weather in Hardin is clear sky.

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

Now · 2:23 AM

Hardin Weather & Hourly Forecast

United States · Montana · 59034

64°F

Clear night

Feels like: 62°F

💧 Humidity 58% 🌡 Pressure 29.74 inHg 💨 Wind 5 mph 👁 Visibility 6.2 mi ☁ Clouds 9% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:32 AM 🌇 Sunset 7:47 PM

Hourly Forecast for Hardin

Today

3:00 AM

Clear night

64° 💧 None 💨 5 mph H 58%29.74 inHg

6:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 51%29.71 inHg

9:00 AM

Sunny

68° 💧 None 💨 6 mph H 31%29.68 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 4 mph H 17%29.59 inHg

3:00 PM

Mostly cloudy

91° 💧 None 💨 16 mph H 10%29.50 inHg

6:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 12%29.47 inHg

9:00 PM

Overcast night

76° 💧 None 💨 10 mph H 16%29.56 inHg

Tomorrow

12:00 AM

Mostly cloudy night

66° 💧 None 💨 9 mph H 16%29.65 inHg

3:00 AM

Partly cloudy night

62° 💧 None 💨 5 mph H 20%29.68 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 5 mph H 19%29.68 inHg

9:00 AM

Overcast

68° 💧 None 💨 7 mph H 17%29.71 inHg

12:00 PM

Mostly cloudy

83° 💧 None 💨 11 mph H 10%29.65 inHg

3:00 PM

Partly cloudy

90° 💧 None 💨 15 mph H 9%29.62 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 11 mph H 9%29.56 inHg

9:00 PM

Partly cloudy night

77° 💧 None 💨 11 mph H 15%29.59 inHg

Friday

12:00 AM

Mostly clear night

73° 💧 None 💨 9 mph H 18%29.59 inHg

Today

3:00 AM

Clear night

64° 💧 None 💨 5 mph H 58%29.74 inHg

4:00 AM

Mostly clear night

63° 💧 None 💨 5 mph H 57%29.74 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 4 mph H 55%29.71 inHg

6:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 51%29.71 inHg

7:00 AM

Sunny

59° 💧 None 💨 4 mph H 49%29.71 inHg

8:00 AM

Sunny

63° 💧 None 💨 5 mph H 37%29.71 inHg

9:00 AM

Sunny

68° 💧 None 💨 6 mph H 31%29.68 inHg

10:00 AM

Sunny

75° 💧 None 💨 5 mph H 26%29.65 inHg

11:00 AM

Sunny

80° 💧 None 💨 5 mph H 22%29.62 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 4 mph H 17%29.59 inHg

1:00 PM

Overcast

89° 💧 None 💨 17 mph H 14%29.56 inHg

2:00 PM

Mostly cloudy

90° 💧 None 💨 16 mph H 11%29.53 inHg

3:00 PM

Mostly cloudy

91° 💧 None 💨 16 mph H 10%29.50 inHg

4:00 PM

Mostly cloudy

92° 💧 None 💨 17 mph H 9%29.47 inHg

5:00 PM

Mostly cloudy

91° 💧 None 💨 18 mph H 11%29.47 inHg

6:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 12%29.47 inHg

7:00 PM

Overcast

86° 💧 None 💨 6 mph H 15%29.47 inHg

8:00 PM

Overcast night

81° 💧 None 💨 14 mph H 15%29.53 inHg

9:00 PM

Overcast night

76° 💧 None 💨 10 mph H 16%29.56 inHg

10:00 PM

Mostly cloudy night

72° 💧 None 💨 8 mph H 16%29.59 inHg

11:00 PM

Mostly cloudy night

68° 💧 None 💨 7 mph H 16%29.62 inHg

Tomorrow

12:00 AM

Mostly cloudy night

66° 💧 None 💨 9 mph H 16%29.65 inHg

1:00 AM

Overcast night

64° 💧 None 💨 9 mph H 17%29.68 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 7 mph H 19%29.68 inHg

3:00 AM

Partly cloudy night

62° 💧 None 💨 5 mph H 20%29.68 inHg

4:00 AM

Partly cloudy night

62° 💧 None 💨 2 mph H 22%29.65 inHg

5:00 AM

Mostly cloudy night

61° 💧 None 💨 4 mph H 22%29.68 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 5 mph H 19%29.68 inHg

7:00 AM

Overcast

59° 💧 None 💨 3 mph H 21%29.68 inHg

8:00 AM

Overcast

65° 💧 None 💨 6 mph H 19%29.71 inHg

9:00 AM

Overcast

68° 💧 None 💨 7 mph H 17%29.71 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 6 mph H 14%29.71 inHg

11:00 AM

Mostly cloudy

77° 💧 None 💨 5 mph H 13%29.68 inHg

12:00 PM

Mostly cloudy

83° 💧 None 💨 11 mph H 10%29.65 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 18 mph H 10%29.65 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 18 mph H 10%29.62 inHg

3:00 PM

Partly cloudy

90° 💧 None 💨 15 mph H 9%29.62 inHg

4:00 PM

Partly cloudy

90° 💧 None 💨 14 mph H 9%29.59 inHg

5:00 PM

Partly cloudy

90° 💧 None 💨 14 mph H 9%29.59 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 11 mph H 9%29.56 inHg

7:00 PM

Overcast

84° 💧 None 💨 6 mph H 14%29.56 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 13%29.56 inHg

9:00 PM

Partly cloudy night

77° 💧 None 💨 11 mph H 15%29.59 inHg

10:00 PM

Partly cloudy night

76° 💧 None 💨 12 mph H 16%29.59 inHg

11:00 PM

Partly cloudy night

75° 💧 None 💨 12 mph H 16%29.59 inHg

Friday

12:00 AM

Mostly clear night

73° 💧 None 💨 9 mph H 18%29.59 inHg

1:00 AM

Clear night

71° 💧 None 💨 7 mph H 19%29.59 inHg

2:00 AM

Clear night

70° 💧 None 💨 8 mph H 20%29.56 inHg

3:00 AM

Clear night

69° 💧 None 💨 7 mph H 19%29.56 inHg

4:00 AM

Clear night

69° 💧 None 💨 7 mph H 19%29.56 inHg

5:00 AM

Clear night

68° 💧 None 💨 7 mph H 18%29.56 inHg

6:00 AM

Clear night

68° 💧 None 💨 8 mph H 19%29.56 inHg

7:00 AM

Sunny

68° 💧 None 💨 7 mph H 19%29.59 inHg

8:00 AM

Sunny

73° 💧 None 💨 6 mph H 17%29.59 inHg

9:00 AM

Sunny

80° 💧 None 💨 10 mph H 15%29.59 inHg

10:00 AM

Sunny

90° 💧 None 💨 17 mph H 12%29.56 inHg

11:00 AM

Sunny

92° 💧 None 💨 19 mph H 8%29.59 inHg

12:00 PM

Sunny

94° 💧 None 💨 21 mph H 8%29.59 inHg

1:00 PM

Sunny

95° 💧 None 💨 19 mph H 7%29.59 inHg

2:00 PM

Sunny

95° 💧 None 💨 17 mph H 7%29.59 inHg

3:00 PM

Sunny

96° 💧 None 💨 14 mph H 6%29.59 inHg

4:00 PM

Sunny

96° 💧 None 💨 12 mph H 6%29.59 inHg

5:00 PM

Sunny

96° 💧 None 💨 10 mph H 7%29.56 inHg

6:00 PM

Sunny

95° 💧 None 💨 9 mph H 7%29.56 inHg

7:00 PM

Sunny

89° 💧 None 💨 7 mph H 10%29.59 inHg

8:00 PM

Clear night

82° 💧 None 💨 11 mph H 14%29.62 inHg

9:00 PM

Clear night

78° 💧 None 💨 10 mph H 19%29.68 inHg

10:00 PM

Clear night

75° 💧 None 💨 8 mph H 22%29.71 inHg

11:00 PM

Clear night

73° 💧 None 💨 7 mph H 25%29.74 inHg

Saturday

12:00 AM

Clear night

71° 💧 None 💨 8 mph H 28%29.80 inHg

1:00 AM

Clear night

69° 💧 None 💨 8 mph H 31%29.83 inHg

2:00 AM

Clear night

67° 💧 None 💨 6 mph H 34%29.85 inHg

3:00 AM

Clear night

66° 💧 None 💨 7 mph H 36%29.85 inHg

4:00 AM

Clear night

65° 💧 None 💨 5 mph H 38%29.88 inHg

5:00 AM

Clear night

64° 💧 None 💨 5 mph H 39%29.88 inHg

6:00 AM

Clear night

62° 💧 None 💨 4 mph H 41%29.91 inHg

7:00 AM

Sunny

63° 💧 None 💨 6 mph H 42%29.94 inHg

8:00 AM

Sunny

66° 💧 None 💨 5 mph H 38%29.97 inHg

9:00 AM

Sunny

70° 💧 None 💨 8 mph H 35%29.97 inHg

10:00 AM

Sunny

73° 💧 None 💨 8 mph H 31%29.97 inHg

11:00 AM

Sunny

76° 💧 None 💨 7 mph H 27%29.94 inHg

12:00 PM

Sunny

80° 💧 None 💨 7 mph H 23%29.91 inHg

1:00 PM

Sunny

83° 💧 None 💨 6 mph H 21%29.88 inHg

2:00 PM

Sunny

85° 💧 None 💨 7 mph H 19%29.85 inHg

3:00 PM

Sunny

87° 💧 None 💨 8 mph H 17%29.83 inHg

4:00 PM

Sunny

89° 💧 None 💨 9 mph H 16%29.83 inHg

5:00 PM

Sunny

90° 💧 None 💨 13 mph H 15%29.80 inHg

6:00 PM

Sunny

89° 💧 None 💨 16 mph H 16%29.77 inHg

7:00 PM

Sunny

86° 💧 None 💨 16 mph H 18%29.80 inHg

8:00 PM

Clear night

81° 💧 None 💨 15 mph H 22%29.80 inHg

9:00 PM

Clear night

78° 💧 None 💨 14 mph H 24%29.83 inHg

10:00 PM

Clear night

77° 💧 None 💨 12 mph H 24%29.83 inHg

11:00 PM

Clear night

73° 💧 None 💨 5 mph H 27%29.83 inHg

Sunday

12:00 AM

Clear night

70° 💧 None 💨 3 mph H 30%29.85 inHg

1:00 AM

Clear night

70° 💧 None 💨 5 mph H 31%29.85 inHg

2:00 AM

Clear night

69° 💧 None 💨 8 mph H 32%29.85 inHg

In Hardin and, more broadly, across the state of Montana: The evening will feature a mix of sun and clouds, with temperatures holding steady around 73 degrees. Light south winds are expected, blowing at up to 9 mph with occasional gusts reaching 12 mph. No precipitation is forecasted for the coming hours, so it should remain dry. The mild temperatures and gentle breezes make for comfortable conditions as the night progresses.

15-Day Weather Outlook for Hardin

TomorrowTomorrow

Mostly sunny 90°/59° 💧 None 💨 18 mph

Friday, Sep 4Fri Sep 4

Sunny 96°/68° 💧 None 💨 21 mph

Saturday, Sep 5Sat Sep 5

Sunny 89°/62° 💧 None 💨 16 mph

Sunday, Sep 6Sun Sep 6

Sunny 89°/63° 💧 None 💨 17 mph

Monday, Sep 7Mon Sep 7

Light rain 86°/64° 💧 0.08 in 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Light rain 80°/66° 💧 0.17 in 💨 23 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 77°/58° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Overcast 84°/63° 💧 None 💨 12 mph

Friday, Sep 11Fri Sep 11

Light rain 70°/56° 💧 0.01 in 💨 23 mph

Saturday, Sep 12Sat Sep 12

Sunny 84°/50° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 90°/59° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Sunny 96°/63° 💧 None 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Sunny 94°/67° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Sunny 96°/67° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Sunny 92°/70° 💧 None 💨 7 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

Good

Nearest forecast value 3:00 AM

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 2,9µg/m³

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

O₃ Ozone Good 56,1µg/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 favorable for outdoor activities.

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 6,1High 😊Good

Tomorrow UV 6,4High 😐Moderate

Friday UV 6,5High 🙂Fair

Saturday UV 6,6High 🙂Fair

Sunday UV 7,0High 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,5 9:00 AMUV 1,4 10:00 AMUV 2,8 11:00 AMUV 4,4 12:00 PMUV 5,6 1:00 PMUV 6,1 2:00 PMUV 5,6 3:00 PMUV 4,8 4:00 PMUV 3,1 5:00 PMUV 1,6 6:00 PMUV 0,7

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.

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 Hardin

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.91 Population: 3,742

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Forecast data for Hardin were last refreshed today at 2:23 AM. The current forecast period extends through 04/09/2026 at 12:00 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.