What is the weather in Johnstown right now?

Current weather in Johnstown is light rain.

Where can I find the hourly weather forecast for Johnstown?

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

Is the weather forecast for Johnstown updated regularly?

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

Now · 6:12 PM

Johnstown Weather & Hourly Forecast

United States · Ohio · 43031

79°F

Light rain

Feels like: 85°F

💧 Humidity 85% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 8.7 mi ☁ Clouds 15% ☀️ UV index 0.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Johnstown

Today

7:00 PM

Partly cloudy

79° 💧 0.070 in 💨 9 mph H 83%29.97 inHg

10:00 PM

Severe thunderstorms

71° 💧 0.425 in 💨 7 mph H 98%30.00 inHg

Tomorrow

1:00 AM

Mostly cloudy night

71° 💧 None 💨 6 mph H 98%30.00 inHg

4:00 AM

Mist at night

70° 💧 None 💨 5 mph H 100%29.97 inHg

7:00 AM

Fog at night

69° 💧 0.000 in 💨 3 mph H 100%30.00 inHg

10:00 AM

Fog

71° 💧 0.002 in 💨 3 mph H 92%30.00 inHg

1:00 PM

Mist

75° 💧 0.013 in 💨 6 mph H 85%30.00 inHg

4:00 PM

Light rain

75° 💧 0.006 in 💨 7 mph H 82%29.94 inHg

7:00 PM

Overcast

72° 💧 None 💨 6 mph H 85%29.91 inHg

10:00 PM

Overcast night

68° 💧 None 💨 5 mph H 90%29.94 inHg

Friday

1:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 93%29.97 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 98%29.97 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 99%30.00 inHg

10:00 AM

Mostly sunny

70° 💧 0.000 in 💨 7 mph H 85%30.03 inHg

1:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 67%30.00 inHg

4:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 59%29.94 inHg

Today

7:00 PM

Partly cloudy

79° 💧 0.000 in 💨 9 mph H 83%29.97 inHg

8:00 PM

Mostly clear night

76° 💧 0.000 in 💨 8 mph H 87%29.94 inHg

9:00 PM

Light thunderstorms

72° 💧 0.069 in 💨 8 mph H 97%30.00 inHg

10:00 PM

Severe thunderstorms

71° 💧 0.329 in 💨 7 mph H 98%30.00 inHg

11:00 PM

Light thunderstorms

71° 💧 0.093 in 💨 11 mph H 97%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

71° 💧 0.003 in 💨 9 mph H 97%30.00 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 6 mph H 98%30.00 inHg

2:00 AM

Partly cloudy night

70° 💧 None 💨 7 mph H 99%30.00 inHg

3:00 AM

Mostly cloudy night

70° 💧 None 💨 6 mph H 100%29.97 inHg

4:00 AM

Mist at night

70° 💧 None 💨 5 mph H 100%29.97 inHg

5:00 AM

Fog at night

69° 💧 None 💨 5 mph H 100%30.00 inHg

6:00 AM

Fog at night

69° 💧 None 💨 4 mph H 100%30.00 inHg

7:00 AM

Fog at night

69° 💧 None 💨 3 mph H 100%30.00 inHg

8:00 AM

Fog

69° 💧 None 💨 3 mph H 100%30.00 inHg

9:00 AM

Fog

69° 💧 0.000 in 💨 3 mph H 100%30.00 inHg

10:00 AM

Fog

71° 💧 0.001 in 💨 3 mph H 92%30.00 inHg

11:00 AM

Fog

73° 💧 0.001 in 💨 5 mph H 90%30.00 inHg

12:00 PM

Fog

73° 💧 0.000 in 💨 5 mph H 86%30.00 inHg

1:00 PM

Mist

75° 💧 0.001 in 💨 6 mph H 85%30.00 inHg

2:00 PM

Light rain

77° 💧 0.005 in 💨 6 mph H 80%29.97 inHg

3:00 PM

Light rain

75° 💧 0.007 in 💨 4 mph H 83%29.97 inHg

4:00 PM

Light rain

75° 💧 0.006 in 💨 7 mph H 82%29.94 inHg

5:00 PM

Overcast

73° 💧 None 💨 8 mph H 85%29.91 inHg

6:00 PM

Overcast

73° 💧 None 💨 5 mph H 85%29.91 inHg

7:00 PM

Overcast

72° 💧 None 💨 6 mph H 85%29.91 inHg

8:00 PM

Overcast night

70° 💧 None 💨 4 mph H 87%29.91 inHg

9:00 PM

Overcast night

69° 💧 None 💨 3 mph H 88%29.94 inHg

10:00 PM

Overcast night

68° 💧 None 💨 5 mph H 90%29.94 inHg

11:00 PM

Overcast night

67° 💧 None 💨 5 mph H 90%29.97 inHg

Friday

12:00 AM

Overcast night

67° 💧 None 💨 4 mph H 91%29.97 inHg

1:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 93%29.97 inHg

2:00 AM

Partly cloudy night

66° 💧 None 💨 4 mph H 97%29.97 inHg

3:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 98%29.94 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 98%29.97 inHg

5:00 AM

Partly cloudy night

65° 💧 None 💨 6 mph H 98%29.97 inHg

6:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 99%29.97 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 99%30.00 inHg

8:00 AM

Sunny

64° 💧 None 💨 7 mph H 98%30.00 inHg

9:00 AM

Partly cloudy

67° 💧 None 💨 7 mph H 91%30.00 inHg

10:00 AM

Mostly sunny

70° 💧 None 💨 7 mph H 85%30.03 inHg

11:00 AM

Sunny

72° 💧 0.000 in 💨 7 mph H 79%30.03 inHg

12:00 PM

Sunny

74° 💧 None 💨 6 mph H 72%30.03 inHg

1:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 67%30.00 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 64%30.00 inHg

3:00 PM

Partly cloudy

78° 💧 None 💨 4 mph H 61%29.97 inHg

4:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 59%29.94 inHg

5:00 PM

Overcast

79° 💧 None 💨 4 mph H 59%29.94 inHg

6:00 PM

Overcast

78° 💧 None 💨 5 mph H 61%29.91 inHg

7:00 PM

Overcast

75° 💧 None 💨 4 mph H 72%29.94 inHg

8:00 PM

Overcast night

72° 💧 None 💨 5 mph H 78%29.94 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 6 mph H 79%29.94 inHg

10:00 PM

Overcast night

69° 💧 None 💨 6 mph H 83%29.97 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 7 mph H 84%29.97 inHg

Saturday

12:00 AM

Clear night

68° 💧 None 💨 7 mph H 80%29.97 inHg

1:00 AM

Clear night

67° 💧 None 💨 8 mph H 78%29.97 inHg

2:00 AM

Mostly clear night

66° 💧 None 💨 7 mph H 80%29.97 inHg

3:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 82%29.94 inHg

4:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 80%29.94 inHg

5:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 82%29.94 inHg

6:00 AM

Clear night

66° 💧 None 💨 6 mph H 86%29.94 inHg

7:00 AM

Clear night

64° 💧 None 💨 5 mph H 89%29.94 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 89%29.97 inHg

11:00 AM

Overcast

75° 💧 None 💨 8 mph H 84%29.97 inHg

2:00 PM

Light rain

79° 💧 None 💨 8 mph H 74%29.91 inHg

5:00 PM

Light rain

75° 💧 None 💨 9 mph H 87%29.91 inHg

8:00 PM

Light rain

73° 💧 None 💨 6 mph H 94%29.94 inHg

11:00 PM

Clear night

69° 💧 None 💨 7 mph H 97%29.97 inHg

Sunday

2:00 AM

Overcast night

68° 💧 None 💨 6 mph H 99%29.97 inHg

5:00 AM

Overcast night

69° 💧 None 💨 5 mph H 100%29.97 inHg

8:00 AM

Overcast

69° 💧 None 💨 5 mph H 99%30.06 inHg

11:00 AM

Partly cloudy

76° 💧 None 💨 3 mph H 80%30.06 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 66%30.03 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 5 mph H 61%30.00 inHg

8:00 PM

Clear night

76° 💧 None 💨 3 mph H 80%30.00 inHg

11:00 PM

Clear night

72° 💧 None 💨 5 mph H 87%30.06 inHg

Monday

2:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 90%30.03 inHg

5:00 AM

Clear night

69° 💧 None 💨 5 mph H 96%30.03 inHg

8:00 AM

Sunny

69° 💧 None 💨 6 mph H 96%30.06 inHg

11:00 AM

Sunny

79° 💧 None 💨 7 mph H 80%30.09 inHg

2:00 PM

Partly cloudy

84° 💧 None 💨 7 mph H 65%30.06 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 8 mph H 64%30.00 inHg

8:00 PM

Clear night

78° 💧 None 💨 6 mph H 80%30.00 inHg

11:00 PM

Clear night

74° 💧 None 💨 8 mph H 85%30.00 inHg

Tuesday

2:00 AM

Clear night

72° 💧 None 💨 7 mph H 90%30.03 inHg

5:00 AM

Clear night

70° 💧 None 💨 7 mph H 93%30.03 inHg

8:00 AM

Sunny

70° 💧 None 💨 7 mph H 93%30.06 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 10 mph H 58%30.03 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 73%30.03 inHg

Wednesday

2:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 96%30.09 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 6 mph H 98%30.15 inHg

2:00 PM

Mostly cloudy

77° 💧 None 💨 6 mph H 77%30.18 inHg

8:00 PM

Mostly cloudy night

71° 💧 None 💨 8 mph H 80%30.15 inHg

Thursday

2:00 AM

Overcast night

68° 💧 None 💨 5 mph H 84%30.15 inHg

8:00 AM

Overcast

67° 💧 None 💨 3 mph H 91%30.12 inHg

2:00 PM

Light thunderstorms

78° 💧 None 💨 8 mph H 78%30.03 inHg

8:00 PM

Moderate rain

71° 💧 None 💨 7 mph H 98%29.94 inHg

Friday

2:00 AM

Moderate rain

63° 💧 None 💨 16 mph H 96%29.91 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 7 mph H 95%30.00 inHg

2:00 PM

Light rain

70° 💧 None 💨 9 mph H 70%30.03 inHg

8:00 PM

Clear night

65° 💧 None 💨 6 mph H 79%30.03 inHg

Saturday

2:00 AM

Clear night

58° 💧 None 💨 3 mph H 93%30.03 inHg

8:00 AM

Sunny

57° 💧 None 💨 4 mph H 92%30.03 inHg

2:00 PM

Partly cloudy

70° 💧 None 💨 7 mph H 57%30.00 inHg

8:00 PM

Clear night

62° 💧 None 💨 5 mph H 72%29.97 inHg

Sunday

2:00 AM

Clear night

56° 💧 None 💨 2 mph H 77%30.00 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 8 mph H 94%30.06 inHg

2:00 PM

Light rain

66° 💧 None 💨 11 mph H 68%30.09 inHg

8:00 PM

Clear night

55° 💧 None 💨 11 mph H 70%30.15 inHg

Monday

2:00 AM

Clear night

49° 💧 None 💨 9 mph H 79%30.21 inHg

8:00 AM

Mostly sunny

48° 💧 None 💨 11 mph H 79%30.27 inHg

2:00 PM

Partly cloudy

60° 💧 None 💨 13 mph H 55%30.27 inHg

8:00 PM

Mostly clear night

53° 💧 None 💨 13 mph H 66%30.30 inHg

Tuesday

2:00 AM

Mostly cloudy night

48° 💧 None 💨 13 mph H 69%30.39 inHg

8:00 AM

Overcast

46° 💧 None 💨 12 mph H 69%30.45 inHg

2:00 PM

Overcast

57° 💧 None 💨 12 mph H 51%30.42 inHg

8:00 PM

Overcast night

54° 💧 None 💨 12 mph H 60%30.36 inHg

Wednesday

2:00 AM

Mostly clear night

48° 💧 None 💨 11 mph H 66%30.36 inHg

8:00 AM

Sunny

47° 💧 None 💨 10 mph H 75%30.42 inHg

2:00 PM

Sunny

64° 💧 None 💨 5 mph H 47%30.36 inHg

8:00 PM

Clear night

56° 💧 None 💨 6 mph H 64%30.30 inHg

Thursday

2:00 AM

Overcast night

50° 💧 None 💨 7 mph H 75%30.27 inHg

8:00 AM

Partly cloudy

48° 💧 None 💨 8 mph H 83%30.24 inHg

In Johnstown and, more broadly, across the state of Ohio: As the afternoon ends and evening approaches, the weather remains mostly sunny with just a few clouds scattered across the sky. Temperatures are still warm, ranging from the mid-70s to the upper 80s. There is a possibility of light rain, with around 0.22 inches expected, and the likelihood of rain reaching its peak during this time. Winds are moderate from the west, blowing at up to 12 mph, with gusts potentially reaching 22 mph. Overall, the evening will feature warm conditions with a chance of brief showers, accompanied by breezy conditions. It’s a good idea to stay prepared for changing weather if you plan to be outdoors later tonight.

15-Day Weather Outlook for Johnstown

TomorrowTomorrow

Light thunderstorms 77°/69° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Overcast 79°/63° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Light rain 79°/64° 💧 0.628 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light rain 83°/68° 💧 0.019 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 85°/69° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 87°/70° 💧 None 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 80°/70° 💧 0.215 in 💨 6 mph

Thursday, Sep 17Thu Sep 17

Light thunderstorms 78°/67° 💧 0.055 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Moderate rain 71°/63° 💧 0.950 in 💨 16 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 70°/57° 💧 0.043 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Light rain 66°/56° 💧 0.030 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 60°/48° 💧 0.008 in 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 57°/46° 💧 None 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Overcast 64°/47° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Overcast 56°/48° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Johnstown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Johnstown

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 5,7µg/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 6,6µg/m³

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

O₃ Ozone Fair 86,9µg/m³

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

NO₂ Nitrogen dioxide Good 2,0µg/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 Johnstown

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 7,4High 🙂Fair

Tomorrow UV 2,7Low 🙂Fair

Friday UV 6,8High 🙂Fair

Saturday UV 6,3High 🙂Fair

Sunday UV 7,0High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

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 Johnstown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JOHNSTOWN, OHIO

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

58/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:23 PM–5:34 AM

☁ Cloud cover 50% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 51° high at the best hour.

✦ Estimated visible meteors 1–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min53%

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 Johnstown were last refreshed today at 6:12 PM. The current forecast period extends through 11/09/2026 at 4:00 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.