Live Weather & Forecast
Weather in Johnston
Rhode Island, United States · Real-time conditions & 3-day outlook
8°C
Feels like 7°C
47°F / Feels 45°F
Sunny
Johnston, Rhode Island
🌞 Daytime
Updated: 2026-04-12 10:30
Humidity
37%
Wind
7.2 km/h N
Wind Gust
8.3 km/h
Pressure
1034 mb
Visibility
16 km
UV Index
3.2
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
-7.6°C
Wind Degree
10°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
189.9 μg/m³
NO₂
3 μg/m³
O₃
107 μg/m³
SO₂
2.3 μg/m³
PM 2.5
7.3 μg/m³
PM 10
8.8 μg/m³
Weather Alerts 1
Met
· Minor · Expected
Frost Advisory issued April 11 at 1:23PM EDT until April 12 at 9:00AM EDT by NWS Upton NY
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Connecticut, Southern Middlesex and Southern New London Counties. In New Jersey, Western Bergen and Western Passaic Counties. In New York, Northeast Suffolk, Northern Westchester, Rockland, and Southeast Suffolk Counties. * WHEN...From midnight tonight to 9 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdo...
Take steps now to protect tender plants from the cold.
Today's Hourly Forecast
24-hour breakdown for Johnston, Rhode Island
12 AM
8°
Clear
1 AM
7°
Clear
2 AM
5°
Clear
3 AM
5°
Clear
4 AM
4°
Clear
5 AM
3°
Clear
6 AM
2°
Clear
7 AM
4°
Sunny
8 AM
7°
Sunny
9 AM
8°
Sunny
10 AM
8°
Sunny
11 AM
13°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
16°
Sunny
3 PM
16°
Sunny
4 PM
15°
Sunny
5 PM
13°
Sunny
6 PM
11°
Overcast
7 PM
9°
Overcast
8 PM
8°
Overcast
9 PM
7°
Clear
10 PM
7°
Partly Cloudy
11 PM
6°
Overcast
3-Day Forecast
Daily overview for Johnston, Rhode Island
Today
Sunny
17°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 39%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:24 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
13°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 25.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:25 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
28°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Johnston
Plan your trip to Johnston, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Johnston?
Current conditions in Johnston: Sunny, temperature 8°C, humidity 37%.
What is the best time to visit Johnston?
The best time to visit Johnston is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Johnston?
Johnston is located at approximately 41.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Johnston?
The wettest period in Johnston is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Johnston?
For visits to Johnston during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Johnston in?
Johnston is located in United States, in the state of Rhode Island.
What are the public holidays in Johnston in 2026?
View the 2026 public holidays for Johnston on our Holidays page.
What are the GPS coordinates used for the weather forecast in Johnston?
The weather forecast for Johnston uses coordinates 41.831, -71.5412.