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Weather in Johnston, United States 🇺🇸

Weather Forecast in Johnston

Current Weather in Johnston

Light drizzle
18°C
Feels like 18°C. Light drizzle.
🌬️ 18 km/h NE
💧 96% Humidity
🧭 1016 hPa
👁️ 1.6 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 16°C
🌅 Sunrise: 05:18 AM
🌇 Sunset: 08:23 PM
Map Overlays:

In Johnston right now it is 18°C and light drizzle, feeling like 18°C. Humidity is 96% with winds around 18 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Johnston range from about 15°C to 32°C.

Hourly Forecast for Johnston

21:00
Clear
18°
12%
22:00
Patchy rain nearby
18°
24%
23:00
Clear
17°
12%
00:00
Clear
17°
14%
01:00
Clear
16°
13%
02:00
Fog
15°
42%
03:00
Fog
15°
42%
04:00
Fog
15°
43%
05:00
Fog
15°
43%
06:00
Mist
15°
30%
07:00
Partly Cloudy
16°
19%
08:00
Sunny
18°
12%
09:00
Sunny
20°
7%
10:00
Sunny
22°
3%
11:00
Sunny
24°
2%
12:00
Sunny
26°
1%
13:00
Sunny
28°
1%
14:00
Sunny
29°
1%
15:00
Sunny
30°
2%
16:00
Partly Cloudy
30°
2%
17:00
Sunny
28°
2%
18:00
Sunny
26°
3%
19:00
Sunny
24°
4%
20:00
Sunny
21°
6%

14-Day Forecast for Johnston

Tue, Jul 07
Patchy rain nearby Patchy rain nearby
20° / 16°
Wed, Jul 08
Sunny Sunny
30° / 15°
Thu, Jul 09
Sunny Sunny
32° / 18°
Fri, Jul 10
Sunny Sunny
33° / 20°
Sat, Jul 11
Sunny Sunny
25° / 15°
Sun, Jul 12
Sunny Sunny
28° / 14°
Mon, Jul 13
Sunny Sunny
28° / 15°
Tue, Jul 14
Sunny Sunny
32° / 17°
Wed, Jul 15
Sunny Sunny
31° / 20°
Thu, Jul 16
Sunny Sunny
31° / 18°
Fri, Jul 17
Sunny Sunny
31° / 16°
Sat, Jul 18
Sunny Sunny
32° / 16°
Sun, Jul 19
Sunny Sunny
29° / 17°
Mon, Jul 20
Sunny Sunny
33° / 18°

Additional Forecasts for Johnston

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 144.0 μg/m³
O₃ (Ozone) 66.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.8 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 3.4 μg/m³
PM10 (Coarse particles) 4.0 μg/m³

Historical Weather

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Best Time to Be Outside in Johnston Tomorrow

There is no good daylight window left in Johnston today. Tomorrow, the most comfortable window looks like 09:00 to 11:00, when it is around 22°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?

The current temperature in Johnston is 18°C (64°F), light drizzle (feels like 18°C).

What's the weather like in Johnston right now?

Conditions in Johnston right now: Light drizzle, humidity 96%, wind 18 km/h NE.

What is today's forecast for Johnston?

Today in Johnston: high 20°C, low 16°C, patchy rain nearby. Chance of rain: 88%.

What is the 7-day weather forecast for Johnston?

Daily highs and lows for Johnston:

  • 2026-07-07: 20°C / 16°C
  • 2026-07-08: 30°C / 15°C
  • 2026-07-09: 32°C / 18°C
  • 2026-07-10: 33°C / 20°C
  • 2026-07-11: 25°C / 15°C
  • 2026-07-12: 28°C / 14°C
  • 2026-07-13: 28°C / 15°C
Is it going to rain in Johnston today?

There is a 88% chance of rain in Johnston today. Total expected precipitation: 7.26 mm.

What is the wind speed in Johnston right now?

Wind in Johnston is currently 18 km/h (11 mph) from the NE.

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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