New York, NY 90° Los Angeles, CA 89° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 69° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 71°
WeatherLive › Rhode Island › Johnston

Johnston, RI Weather (02919)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherJohnston · 3:50 PM EDT
79° | 67°
77°F
Feels like 84°
Partly cloudy
WindNW 2 mph · Gusts 6 mph
Precip42% · 0.01 in
Humidity82% · Dew point 71°
UV index7 High
Air Quality70 Moderate
Pressure29.83 inHg
Visibility6 mi
Sunrise / Sunset5:57 AM · 7:42 PM · 13h 45m

Weather map — Johnston

Full radar →
Now
77°
26%
2 mph
16:00
77°
26%
5 mph
17:00
77°
26%
6 mph
18:00
76°
21%
7 mph
19:00
74°
25%
7 mph
20:00
73°
31%
5 mph
21:00
73°
35%
5 mph
22:00
72°
29%
5 mph
23:00
70°
34%
5 mph
00:00
70°
30%
4 mph
01:00
68°
32%
4 mph
02:00
67°
33%
3 mph
03:00
68°
31%
3 mph
04:00
67°
33%
2 mph
05:00
66°
31%
2 mph
06:00
67°
19%
2 mph
07:00
68°
30%
2 mph
08:00
71°
31%
3 mph
09:00
75°
30%
4 mph
10:00
80°
17%
5 mph
11:00
83°
12%
6 mph
12:00
86°
8%
7 mph
13:00
87°
8%
8 mph
14:00
88°
8%
8 mph

Today · Tue 8/18

High 79°
42% / 0.01 in

Partly cloudy. Winds SW at 7 mph.

Tonight · Tue 8/18

Low 66°
35% / –

Partly cloudy. Winds SW at 5 mph.

Tomorrow · Wed 8/19

89° | 66°
37% / 0.02 in

Showers. Winds SW at 9 mph.

7-day trend

Johnston · temperature + precipitation

10-day forecast

Updated 3:50 PM

Details & indices

Wind
2 mph NW
Gusts 6 mph
Humidity
82%
Dew point 71°
Pressure
29.83 inHg
Falling
UV index
7 — High
High today
Air Quality
Moderate
AQI 70 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Johnston

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Low

Sun & moon

Sunrise5:57 AM
Sunset7:42 PM
Length of day13h 45m
Moonrise12:34 PM
Moonset10:17 PM
Moon phase🌓 First Quarter · 37%
Next full moonAug 28 Sturgeon Moon
Latitude41.8219°N
Longitude-71.5067°E

Water temps nearby

View all →
Misquamicut (37 mi)73°
Revere Beach (49 mi)69°
Montauk (59 mi)76°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Providence
—
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Data sources · Tuesday, August 18
Where the Johnston forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 41.8219°N, -71.5067°.
NBM + global weather models
Updated: 3:50 PM
Weather in Johnston
The 10-day span for Johnston runs from a high near 89° on Wednesday down to 59° overnight on Sunday. Models drop roughly 0.48 in of precipitation across the stretch — watch Wednesday (86%). Expect a blustery spell — gusts near 25 mph on Monday. The NWS alert board for this area is currently clear. Right now Johnston is about 13° cooler than nearby New York. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Johnston, RI · Elev 82 ft · 41.82°N, 71.51°W · Rhode Island · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 3:50 PM