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Weather in Johnston, United States 🇺🇸

Current Weather in Johnston

Cloudy
15°C
Feels like 15°C. Cloudy.
🌬️ 7 km/h WSW
💧 91% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:43 AM
🌇 Sunset: 06:28 PM
Map Overlays:

Johnston currently sits at 15°C, cloudy, feeling like 15°C. The air is at 91% humidity and winds are about 7 km/h, and the UV index is 0 (low). Across the coming days, Johnston should see roughly 11°C to 27°C.

Hourly Forecast for Johnston

05:00
Overcast
15°
31%
06:00
Overcast
16°
30%
07:00
Overcast
16°
29%
08:00
Overcast
17°
28%
09:00
Partly Cloudy
19°
12%
10:00
Overcast
22°
16%
11:00
Overcast
23°
15%
12:00
Overcast
24°
13%
13:00
Overcast
24°
13%
14:00
Overcast
21°
19%
15:00
Overcast
20°
20%
16:00
Cloudy
22°
11%
17:00
Overcast
21°
20%
18:00
Overcast
20°
22%
19:00
Cloudy
19°
19%
20:00
Overcast
18°
25%
21:00
Overcast
19°
25%
22:00
Clear
19°
11%
23:00
Partly Cloudy
18°
16%
00:00
Overcast
18°
28%
01:00
Overcast
18°
27%
02:00
Clear
18°
14%
03:00
Overcast
18°
30%
04:00
Overcast
18°
29%

14-Day Forecast for Johnston

Thu, Oct 01
Overcast Overcast
24° / 15°
Fri, Oct 02
Overcast Overcast
27° / 18°
Sat, Oct 03
Sunny Sunny
20° / 11°
Sun, Oct 04
Sunny Sunny
20° / 9°
Mon, Oct 05
Overcast Overcast
22° / 11°
Tue, Oct 06
Sunny Sunny
13° / 7°
Wed, Oct 07
Sunny Sunny
16° / 5°
Thu, Oct 08
Sunny Sunny
21° / 10°
Fri, Oct 09
Overcast Overcast
21° / 13°
Sat, Oct 10
Patchy rain nearby Patchy rain nearby
16° / 13°
Sun, Oct 11
Patchy rain nearby Patchy rain nearby
14° / 10°
Mon, Oct 12
Sunny Sunny
19° / 10°
Tue, Oct 13
Sunny Sunny
20° / 10°
Wed, Oct 14
Overcast Overcast
21° / 12°

Additional Forecasts for Johnston

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 187.0 μg/m³
O₃ (Ozone) 52.0 μg/m³
NO₂ (Nitrogen Dioxide) 15.2 μg/m³
SO₂ (Sulphur Dioxide) 2.1 μg/m³
PM2.5 (Fine particles) 17.1 μg/m³
PM10 (Coarse particles) 19.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Johnston Today

The most comfortable window in Johnston today looks like 09:00 to 12:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Johnston

What is the temperature in Johnston right now?

It is currently 15°C (60°F) in Johnston, cloudy (feels like 15°C).

What's the weather like in Johnston right now?

Right now Johnston has Cloudy, humidity 91%, wind 7 km/h WSW.

What is today's forecast for Johnston?

Today in Johnston: high 24°C, low 15°C, overcast. Chance of rain: 20%.

What is the 7-day weather forecast for Johnston?

Daily highs and lows for Johnston:

  • 2026-10-01: 24°C / 15°C
  • 2026-10-02: 27°C / 18°C
  • 2026-10-03: 20°C / 11°C
  • 2026-10-04: 20°C / 9°C
  • 2026-10-05: 22°C / 11°C
  • 2026-10-06: 13°C / 7°C
  • 2026-10-07: 16°C / 5°C
Is it going to rain in Johnston today?

There is a 20% chance of rain in Johnston today.

What is the wind speed in Johnston right now?

Wind in Johnston is currently 7 km/h (4 mph) from the WSW.

What is the UV index in Johnston right now?

The UV index in Johnston is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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