Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

Weather in Johnston, United States 🇺🇸

Current Weather in Johnston

Moderate rain at times
22°C
Feels like 23°C. Moderate rain at times.
🌬️ 12 km/h NE
💧 76% Humidity
🧭 1018 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 6.9
🌡️ Dew Point: 18°C
🌅 Sunrise: 06:00 AM
🌇 Sunset: 07:37 PM
Map Overlays:

Johnston currently sits at 22°C, moderate rain at times, feeling like 23°C. The air is at 76% humidity and winds are about 12 km/h, and the UV index is 7 (high). Across the coming days, Johnston should see roughly 18°C to 24°C.

Hourly Forecast for Johnston

15:00
Fog
19°
56%
16:00
Moderate rain at times
24°
76%
17:00
Light rain shower
18°
52%
18:00
Light rain shower
19°
49%
19:00
Light rain shower
18°
52%
20:00
Fog
18°
55%
21:00
Fog
18°
50%
22:00
Fog
18°
45%
23:00
Fog
18°
52%
00:00
Fog
18°
50%
01:00
Overcast
19°
16%
02:00
Overcast
19°
16%
03:00
Overcast
18°
18%
04:00
Overcast
18°
18%
05:00
Overcast
18°
18%
06:00
Overcast
18°
20%
07:00
Overcast
18°
22%
08:00
Light drizzle
18°
53%
09:00
Light rain
18°
79%
10:00
Light rain shower
18°
75%
11:00
Light rain
18°
86%
12:00
Light rain shower
18°
80%
13:00
Light rain shower
19°
80%
14:00
Light rain shower
19°
82%

14-Day Forecast for Johnston

Fri, Aug 21
Moderate rain Moderate rain
24° / 18°
Sat, Aug 22
Light rain shower Light rain shower
19° / 18°
Sun, Aug 23
Light rain shower Light rain shower
23° / 18°
Mon, Aug 24
Sunny Sunny
26° / 16°
Tue, Aug 25
Sunny Sunny
24° / 13°
Wed, Aug 26
Sunny Sunny
27° / 15°
Thu, Aug 27
Overcast Overcast
27° / 16°
Fri, Aug 28
Overcast Overcast
26° / 17°
Sat, Aug 29
Sunny Sunny
27° / 16°
Sun, Aug 30
Overcast Overcast
27° / 15°
Mon, Aug 31
Patchy rain nearby Patchy rain nearby
19° / 18°
Tue, Sep 01
Patchy rain nearby Patchy rain nearby
24° / 17°
Wed, Sep 02
Overcast Overcast
27° / 17°
Thu, Sep 03
Patchy rain nearby Patchy rain nearby
23° / 14°

Additional Forecasts for Johnston

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 150.0 μg/m³
O₃ (Ozone) 122.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.1 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 4.7 μg/m³
PM10 (Coarse particles) 5.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

Browse Weather in United States by cities in alphabetical order:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Weather in United States ›

Best Time to Be Outside in Johnston Today

The most comfortable window in Johnston today looks like 17:00 to 20:00, when it is around 18°C. The next likely rain is around 15:00.

Frequently Asked Questions about Weather in Johnston

What is the temperature in Johnston right now?

It is currently 22°C (72°F) in Johnston, moderate rain at times (feels like 23°C).

What's the weather like in Johnston right now?

Right now Johnston has Moderate rain at times, humidity 76%, wind 12 km/h NE.

What is today's forecast for Johnston?

Today in Johnston: high 24°C, low 18°C, moderate rain. Chance of rain: 91%.

What is the 7-day weather forecast for Johnston?

Daily highs and lows for Johnston:

  • 2026-08-21: 24°C / 18°C
  • 2026-08-22: 19°C / 18°C
  • 2026-08-23: 23°C / 18°C
  • 2026-08-24: 26°C / 16°C
  • 2026-08-25: 24°C / 13°C
  • 2026-08-26: 27°C / 15°C
  • 2026-08-27: 27°C / 16°C
Is it going to rain in Johnston today?

There is a 91% chance of rain in Johnston today. Total expected precipitation: 149.0 mm.

What is the wind speed in Johnston right now?

Wind in Johnston is currently 12 km/h (8 mph) from the NE.

What is the UV index in Johnston right now?

The UV index in Johnston is currently 6.9 (high). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇺🇸 United States: New York City · Los Angeles · Brooklyn · Chicago · Houston · Queens · Phoenix · Philadelphia · Manhattan · San Antonio · San Diego · The Bronx · Dallas · Jacksonville · Austin · Fort Worth · Columbus · Indianapolis · Charlotte · San Francisco · Seattle · Denver · Washington, D.C. · Washington · Nashville · El Paso · Oklahoma City · Detroit · Boston · Portland · New South Memphis · Memphis · Las Vegas · Milwaukee · Baltimore · South Boston · Albuquerque · Tucson · Fresno · Sacramento · Omaha · Kansas City · Long Beach · Mesa · Staten Island · Atlanta · Colorado Springs · Virginia Beach · Raleigh · Miami