What is the weather in Harlowton right now?

Current weather in Harlowton is scattered clouds.

Where can I find the hourly weather forecast for Harlowton?

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

Is the weather forecast for Harlowton updated regularly?

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

Now · 4:41 PM

Harlowton Weather & Hourly Forecast

United States · Montana · 59036

62°F

Partly cloudy

Feels like: 55°F

💧 Humidity 47% 🌡 Pressure 29.94 inHg 💨 Wind 8 mph 👁 Visibility 30.4 mi ☁ Clouds 46% ☀️ UV index 2.9 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Harlowton

Today

5:00 PM

Partly cloudy

62° 💧 None 💨 8 mph H 47%29.94 inHg

8:00 PM

Partly cloudy night

55° 💧 None 💨 6 mph H 61%29.97 inHg

11:00 PM

Mostly clear night

50° 💧 None 💨 7 mph H 74%30.06 inHg

Tomorrow

2:00 AM

Clear night

46° 💧 None 💨 4 mph H 86%30.06 inHg

5:00 AM

Clear night

43° 💧 None 💨 3 mph H 91%30.03 inHg

8:00 AM

Mostly sunny

45° 💧 None 💨 5 mph H 85%30.03 inHg

11:00 AM

Sunny

55° 💧 None 💨 10 mph H 55%29.94 inHg

2:00 PM

Mostly sunny

65° 💧 None 💨 13 mph H 41%29.77 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 14 mph H 37%29.68 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 52%29.65 inHg

11:00 PM

Clear night

53° 💧 0.000 in 💨 9 mph H 77%29.80 inHg

Monday

2:00 AM

Overcast night

53° 💧 0.005 in 💨 12 mph H 75%29.80 inHg

5:00 AM

Overcast night

50° 💧 0.004 in 💨 13 mph H 59%29.83 inHg

8:00 AM

Partly cloudy

48° 💧 0.005 in 💨 9 mph H 61%29.85 inHg

11:00 AM

Light rain

52° 💧 0.011 in 💨 16 mph H 60%29.85 inHg

2:00 PM

Partly cloudy

58° 💧 0.000 in 💨 25 mph H 42%29.88 inHg

Today

5:00 PM

Partly cloudy

62° 💧 None 💨 8 mph H 47%29.94 inHg

6:00 PM

Mostly cloudy

61° 💧 None 💨 9 mph H 48%29.94 inHg

7:00 PM

Partly cloudy

59° 💧 None 💨 9 mph H 52%29.94 inHg

8:00 PM

Partly cloudy night

55° 💧 None 💨 6 mph H 61%29.97 inHg

9:00 PM

Mostly clear night

53° 💧 None 💨 7 mph H 66%30.00 inHg

10:00 PM

Mostly clear night

51° 💧 None 💨 8 mph H 70%30.03 inHg

11:00 PM

Mostly clear night

50° 💧 None 💨 7 mph H 74%30.06 inHg

Tomorrow

12:00 AM

Clear night

48° 💧 None 💨 7 mph H 78%30.06 inHg

1:00 AM

Clear night

47° 💧 None 💨 5 mph H 82%30.06 inHg

2:00 AM

Clear night

46° 💧 None 💨 4 mph H 86%30.06 inHg

3:00 AM

Mostly clear night

45° 💧 None 💨 4 mph H 88%30.06 inHg

4:00 AM

Clear night

44° 💧 None 💨 4 mph H 89%30.06 inHg

5:00 AM

Clear night

43° 💧 None 💨 3 mph H 91%30.03 inHg

6:00 AM

Mostly clear night

43° 💧 None 💨 4 mph H 91%30.06 inHg

7:00 AM

Mostly sunny

42° 💧 None 💨 4 mph H 91%30.06 inHg

8:00 AM

Mostly sunny

45° 💧 None 💨 5 mph H 85%30.03 inHg

9:00 AM

Mostly sunny

48° 💧 None 💨 6 mph H 71%30.00 inHg

10:00 AM

Sunny

51° 💧 None 💨 9 mph H 62%29.97 inHg

11:00 AM

Sunny

55° 💧 None 💨 10 mph H 55%29.94 inHg

12:00 PM

Partly cloudy

58° 💧 None 💨 10 mph H 51%29.88 inHg

1:00 PM

Partly cloudy

62° 💧 None 💨 12 mph H 45%29.83 inHg

2:00 PM

Mostly sunny

65° 💧 None 💨 13 mph H 41%29.77 inHg

3:00 PM

Mostly sunny

68° 💧 None 💨 14 mph H 38%29.74 inHg

4:00 PM

Mostly sunny

69° 💧 None 💨 15 mph H 37%29.71 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 14 mph H 37%29.68 inHg

6:00 PM

Mostly sunny

69° 💧 None 💨 11 mph H 38%29.65 inHg

7:00 PM

Sunny

66° 💧 None 💨 7 mph H 43%29.65 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 52%29.65 inHg

9:00 PM

Clear night

58° 💧 None 💨 1 mph H 59%29.68 inHg

10:00 PM

Clear night

56° 💧 None 💨 11 mph H 66%29.74 inHg

11:00 PM

Clear night

53° 💧 0.000 in 💨 9 mph H 77%29.80 inHg

Monday

12:00 AM

Mostly clear night

52° 💧 None 💨 7 mph H 81%29.77 inHg

1:00 AM

Overcast night

52° 💧 None 💨 8 mph H 79%29.80 inHg

2:00 AM

Overcast night

53° 💧 0.000 in 💨 12 mph H 75%29.80 inHg

3:00 AM

Overcast night

51° 💧 0.003 in 💨 15 mph H 71%29.80 inHg

4:00 AM

Overcast night

51° 💧 0.002 in 💨 17 mph H 59%29.80 inHg

5:00 AM

Overcast night

50° 💧 0.000 in 💨 13 mph H 59%29.83 inHg

6:00 AM

Overcast night

48° 💧 0.003 in 💨 12 mph H 65%29.83 inHg

7:00 AM

Overcast

48° 💧 None 💨 11 mph H 60%29.85 inHg

8:00 AM

Partly cloudy

48° 💧 None 💨 9 mph H 61%29.85 inHg

9:00 AM

Mostly cloudy

51° 💧 0.001 in 💨 13 mph H 58%29.85 inHg

10:00 AM

Light rain

50° 💧 0.004 in 💨 18 mph H 63%29.85 inHg

11:00 AM

Light rain

52° 💧 0.010 in 💨 16 mph H 60%29.85 inHg

12:00 PM

Mostly cloudy

56° 💧 0.000 in 💨 27 mph H 43%29.85 inHg

1:00 PM

Mostly cloudy

58° 💧 None 💨 28 mph H 39%29.85 inHg

2:00 PM

Partly cloudy

58° 💧 None 💨 25 mph H 42%29.88 inHg

3:00 PM

Partly cloudy

58° 💧 None 💨 26 mph H 44%29.88 inHg

4:00 PM

Mostly sunny

57° 💧 0.000 in 💨 26 mph H 47%29.91 inHg

5:00 PM

Sunny

58° 💧 None 💨 23 mph H 46%29.91 inHg

6:00 PM

Sunny

57° 💧 None 💨 21 mph H 46%29.94 inHg

7:00 PM

Sunny

55° 💧 None 💨 16 mph H 49%29.97 inHg

8:00 PM

Clear night

53° 💧 None 💨 11 mph H 54%30.00 inHg

9:00 PM

Clear night

51° 💧 None 💨 8 mph H 58%30.03 inHg

10:00 PM

Mostly clear night

49° 💧 None 💨 5 mph H 64%30.06 inHg

11:00 PM

Clear night

47° 💧 None 💨 5 mph H 71%30.06 inHg

Tuesday

12:00 AM

Mostly clear night

45° 💧 None 💨 5 mph H 74%30.06 inHg

1:00 AM

Mostly clear night

44° 💧 None 💨 5 mph H 77%30.06 inHg

2:00 AM

Mostly clear night

43° 💧 None 💨 5 mph H 80%30.06 inHg

3:00 AM

Mostly clear night

42° 💧 None 💨 4 mph H 82%30.06 inHg

4:00 AM

Clear night

41° 💧 None 💨 3 mph H 85%30.09 inHg

5:00 AM

Clear night

40° 💧 None 💨 2 mph H 85%30.09 inHg

6:00 AM

Clear night

40° 💧 None 💨 2 mph H 84%30.09 inHg

9:00 AM

Mostly sunny

48° 💧 None 💨 2 mph H 68%30.12 inHg

12:00 PM

Mostly cloudy

59° 💧 None 💨 11 mph H 46%30.06 inHg

3:00 PM

Mostly cloudy

66° 💧 None 💨 13 mph H 33%29.94 inHg

6:00 PM

Mostly cloudy

65° 💧 None 💨 13 mph H 33%29.91 inHg

9:00 PM

Mostly cloudy night

57° 💧 None 💨 12 mph H 50%29.97 inHg

Wednesday

12:00 AM

Partly cloudy night

52° 💧 None 💨 2 mph H 59%30.00 inHg

3:00 AM

Mostly cloudy night

47° 💧 None 💨 5 mph H 70%30.00 inHg

6:00 AM

Partly cloudy night

48° 💧 None 💨 16 mph H 74%30.09 inHg

9:00 AM

Mostly cloudy

50° 💧 None 💨 16 mph H 72%30.18 inHg

12:00 PM

Mostly cloudy

59° 💧 None 💨 13 mph H 53%30.18 inHg

3:00 PM

Mostly sunny

64° 💧 None 💨 8 mph H 46%30.15 inHg

6:00 PM

Partly cloudy

61° 💧 None 💨 9 mph H 51%30.15 inHg

9:00 PM

Mostly clear night

55° 💧 None 💨 8 mph H 65%30.21 inHg

Thursday

12:00 AM

Clear night

49° 💧 None 💨 4 mph H 83%30.24 inHg

3:00 AM

Clear night

47° 💧 None 💨 0 mph H 86%30.21 inHg

6:00 AM

Clear night

45° 💧 None 💨 0 mph H 88%30.18 inHg

9:00 AM

Mostly sunny

52° 💧 None 💨 4 mph H 75%30.18 inHg

12:00 PM

Partly cloudy

62° 💧 None 💨 2 mph H 54%30.12 inHg

3:00 PM

Overcast

69° 💧 None 💨 4 mph H 43%30.03 inHg

6:00 PM

Mostly cloudy

68° 💧 None 💨 9 mph H 44%30.03 inHg

9:00 PM

Mostly cloudy night

60° 💧 None 💨 10 mph H 58%30.09 inHg

Friday

12:00 AM

Partly cloudy night

58° 💧 None 💨 13 mph H 61%30.12 inHg

3:00 AM

Overcast night

56° 💧 None 💨 13 mph H 67%30.15 inHg

6:00 AM

Overcast night

54° 💧 None 💨 12 mph H 71%30.18 inHg

12:00 PM

Overcast

60° 💧 None 💨 11 mph H 61%30.27 inHg

6:00 PM

Sunny

64° 💧 None 💨 13 mph H 41%30.21 inHg

Saturday

12:00 AM

Clear night

49° 💧 None 💨 5 mph H 78%30.27 inHg

6:00 AM

Clear night

45° 💧 None 💨 1 mph H 82%30.30 inHg

12:00 PM

Sunny

63° 💧 None 💨 7 mph H 51%30.24 inHg

6:00 PM

Sunny

66° 💧 None 💨 10 mph H 40%30.09 inHg

Sunday

12:00 AM

Clear night

50° 💧 None 💨 1 mph H 77%30.15 inHg

6:00 AM

Clear night

44° 💧 None 💨 5 mph H 90%30.09 inHg

12:00 PM

Sunny

74° 💧 None 💨 5 mph H 29%30.00 inHg

6:00 PM

Sunny

75° 💧 None 💨 8 mph H 28%29.91 inHg

Monday

12:00 AM

Partly cloudy night

56° 💧 None 💨 3 mph H 57%30.00 inHg

6:00 AM

Partly cloudy night

50° 💧 None 💨 2 mph H 71%29.97 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 35%29.94 inHg

6:00 PM

Mostly cloudy

75° 💧 None 💨 11 mph H 31%29.83 inHg

Tuesday

12:00 AM

Mostly cloudy night

59° 💧 None 💨 4 mph H 57%29.85 inHg

6:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 79%29.85 inHg

12:00 PM

Overcast

70° 💧 None 💨 2 mph H 40%29.83 inHg

6:00 PM

Light rain

66° 💧 None 💨 10 mph H 55%29.83 inHg

Wednesday

12:00 AM

Clear night

53° 💧 None 💨 8 mph H 89%29.94 inHg

6:00 AM

Clear night

47° 💧 None 💨 7 mph H 96%30.00 inHg

12:00 PM

Mostly sunny

65° 💧 None 💨 9 mph H 49%30.00 inHg

6:00 PM

Light rain

59° 💧 None 💨 11 mph H 83%30.00 inHg

Thursday

12:00 AM

Clear night

51° 💧 None 💨 3 mph H 93%30.03 inHg

6:00 AM

Partly cloudy night

48° 💧 None 💨 7 mph H 87%30.00 inHg

12:00 PM

Sunny

72° 💧 None 💨 13 mph H 33%29.97 inHg

6:00 PM

Mostly sunny

75° 💧 None 💨 9 mph H 25%29.94 inHg

Friday

12:00 AM

Clear night

54° 💧 None 💨 5 mph H 57%30.09 inHg

6:00 AM

Clear night

49° 💧 None 💨 4 mph H 66%30.21 inHg

12:00 PM

Sunny

67° 💧 None 💨 10 mph H 37%30.24 inHg

6:00 PM

Sunny

73° 💧 None 💨 8 mph H 35%30.12 inHg

Saturday

12:00 AM

Clear night

56° 💧 None 💨 2 mph H 69%30.18 inHg

6:00 AM

Clear night

51° 💧 None 💨 5 mph H 67%30.21 inHg

12:00 PM

Sunny

73° 💧 None 💨 7 mph H 33%30.27 inHg

6:00 PM

Sunny

71° 💧 None 💨 12 mph H 36%30.24 inHg

Sunday

12:00 AM

Clear night

54° 💧 None 💨 5 mph H 67%30.39 inHg

6:00 AM

Clear night

47° 💧 None 💨 2 mph H 82%30.42 inHg

In Harlowton and, more broadly, across the state of Montana: As the afternoon winds down, expect mostly cloudy skies with temperatures cooling into the mid-50s, around 48 to 55 degrees. Light northwest winds will continue, blowing at a gentle 7 mph or less, with occasional gusts up to 7 mph. No precipitation is expected through the evening, so dry conditions will persist. Temperatures will gradually decrease as night approaches, remaining in the cool range. Overall, the evening should remain calm and dry with comfortable, cool conditions.

15-Day Weather Outlook for Harlowton

TomorrowTomorrow

Mostly cloudy 70°/42° 💧 None 💨 15 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 69°/48° 💧 None 💨 28 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 66°/40° 💧 0.030 in 💨 21 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 65°/47° 💧 0.000 in 💨 16 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 69°/45° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 68°/54° 💧 0.003 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Sunny 64°/45° 💧 0.001 in 💨 13 mph

Sunday, Sep 20Sun Sep 20

Sunny 74°/44° 💧 None 💨 10 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 75°/50° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 75°/53° 💧 0.032 in 💨 11 mph

Wednesday, Sep 23Wed Sep 23

Light rain 66°/47° 💧 0.015 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Light rain 72°/48° 💧 0.052 in 💨 13 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 75°/49° 💧 None 💨 10 mph

Saturday, Sep 26Sat Sep 26

Sunny 73°/51° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Sunny 71°/47° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harlowton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Harlowton

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 1,3µg/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 1,9µg/m³

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

O₃ Ozone Fair 91,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 Harlowton

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 4,7Moderate 🙂Fair

Tomorrow UV 5,7Moderate 🙂Fair

Monday UV 5,4Moderate 🙂Fair

Tuesday UV 4,6Moderate 🙂Fair

Wednesday UV 4,6Moderate 🙂Fair

Thursday UV 7,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,6 6:00 PMUV 0,6 7:00 PMUV 0,1

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 Harlowton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARLOWTON, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:21 PM–5:11 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 46° 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 min70%

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 Harlowton were last refreshed today at 4:41 PM. The current forecast period extends through 14/09/2026 at 2:00 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.