Nimbocast

Johnston, RI Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Johnston, Providence County, Rhode Island.

Updated Jul 29, 2026, 5:07 PM local time · Radar refreshes every 5 minutes

☁️
Johnston
Overcast
72°F
Feels like 75°F
Wind 11 mph
Humidity 88%
Cloud cover 84%
UV index 2
Alerts 1

Active alerts (1)

Flood WatchSevere
Windham; Northern Worcester; Southern Worcester; Northwest Providence; Southeast Providence
Until Jul 30, 2026, 12:00 AM
Full details
* WHAT...Flooding caused by excessive rainfall continue to be
possible.

* WHERE...Portions of northern Connecticut, including the following
area, Windham CT, central Massachusetts, including the following
areas, Northern Worcester MA and Southern Worcester MA, and
northern Rhode Island, including the following areas, Northwest
Providence RI and Southeast Providence RI.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Flooding caused by excessive rainfall continue to be
possible.
- http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

Johnston weather radar

Light Heavy

Next 24 hours

Now
☁️
72°F
56%
6 PM
☁️
71°F
43%
7 PM
☁️
70°F
40%
8 PM
🌧️
69°F
35%
9 PM
🌧️
68°F
25%
10 PM
🌦️
69°F
16%
11 PM
☁️
68°F
16%
12 AM
🌫️
68°F
13%
1 AM
☁️
68°F
12%
2 AM
🌦️
68°F
8%
3 AM
🌦️
68°F
6%
4 AM
🌦️
68°F
11%
5 AM
🌫️
68°F
8%
6 AM
🌫️
68°F
15%
7 AM
🌫️
67°F
20%
8 AM
🌫️
68°F
22%
9 AM
🌦️
67°F
33%
10 AM
☁️
70°F
30%
11 AM
☁️
69°F
43%
12 PM
☁️
69°F
40%
1 PM
☁️
69°F
34%
2 PM
☁️
70°F
38%
3 PM
☁️
68°F
43%
4 PM
☁️
67°F
23%

7-day forecast

Today
Jul 29
🌧️
72°F
68°F
91%
Thu
Jul 30
🌦️
70°F
64°F
43%
Fri
Jul 31
🌦️
78°F
64°F
30%
Sat
Aug 1
🌦️
84°F
64°F
8%
Sun
Aug 2
☁️
81°F
67°F
22%
Mon
Aug 3
🌦️
75°F
67°F
39%
Tue
Aug 4
☁️
88°F
64°F
10%

Weather near Johnston

3 mi North Providence, RI5 mi Providence, RI5 mi Cranston, RI7 mi Pawtucket, RI7 mi East Providence, RI7 mi Smithfield, RI8 mi Lincoln, RI8 mi Central Falls, RI
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.