New York, NY 70° 🌤️ Los Angeles, CA Chicago, IL 70° 🌤️ Houston, TX Miami, FL 82° 🌤️ Phoenix, AZ Seattle, WA 63° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 64°
WeatherLive › Idaho › Lewiston

Lewiston, ID Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherLewiston · 12:18 AM PDT
98° | 69°
79°F
Feels like 74°
Sunny
WindW 2 mph · Gusts 7 mph
Precip1% · –
Humidity18% · Dew point 32°
UV index7 High
Air Quality35 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset5:50 AM · 7:53 PM · 14h 3m

Weather map — Lewiston

Full radar →
Now
77°
0%
2 mph
01:00
75°
0%
2 mph
02:00
73°
0%
4 mph
03:00
71°
0%
5 mph
04:00
70°
0%
5 mph
05:00
70°
0%
4 mph
06:00
69°
0%
4 mph
07:00
68°
0%
4 mph
08:00
68°
0%
4 mph
09:00
75°
0%
4 mph
10:00
80°
0%
3 mph
11:00
79°
0%
3 mph
12:00
83°
8%
4 mph
13:00
85°
9%
4 mph
14:00
87°
9%
4 mph
15:00
88°
9%
5 mph
16:00
87°
5%
7 mph
17:00
87°
8%
8 mph
18:00
85°
0%
8 mph
19:00
85°
0%
5 mph
20:00
82°
0%
5 mph
21:00
79°
1%
5 mph
22:00
77°
0%
4 mph
23:00
75°
0%
4 mph

Today · Tue 8/18

High 98°
1% / –

Sunny. Winds NW at 16 mph.

Overnight · Wed 8/19

Low 68°
0% / –

Sunny. Winds E at 2 mph.

Tomorrow · Wed 8/19

88° | 68°
1% / –

Sunny. Winds NW at 8 mph.

7-day trend

Lewiston · temperature + precipitation

10-day forecast

Updated 12:18 AM

Details & indices

Wind
2 mph W
Gusts 7 mph
Humidity
18%
Dew point 32°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 35 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Lewiston

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
None

Sun & moon

Sunrise5:50 AM
Sunset7:53 PM
Length of day14h 3m
Moonrise2:09 PM
Moonset10:35 PM
Moon phase🌓 First Quarter · 42%
Next full moonAug 27 Sturgeon Moon
Latitude46.4166°N
Longitude-117.0177°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Boise
—
—
Data sources · Wednesday, August 19
Where the Lewiston 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: 46.4166°N, -117.0177°.
NBM + global weather models
Updated: 12:18 AM
Weather in Lewiston
The 10-day span for Lewiston runs from a high near 98° on Tuesday down to 60° overnight on Sunday. Essentially no rain is in the forecast — expect a dry stretch. Wind is the one to watch: gusts to 35 mph around Saturday. Heads up: a Red Flag Warning is in effect — check the alerts tab before making plans. Right now Lewiston is running about 14° warmer than Spokane. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Lewiston, ID · Elev 745 ft · 46.42°N, 117.02°W · Idaho · 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: 12:18 AM