Weather StoryAlmanac, microseasons, and the day's weather story.

Lewiston, Idaho Weather

Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →

Lewiston weather forecast — hour by hour, 7-day outlook, NOAA radar

Lewiston, ID
Saturday, July 4 at 6:26 AM
62
°
Mostly Clear
Feels like
59°
Humidity
54%
Wind
6 mph
Sunrise
10:01 PM
Sunset
1:43 PM
Lewiston, ID
Hour by hour · 24h
24-Hour ForecastLewiston, ID: 24-hour forecast. Temperatures range from 61 to 91 degrees Fahrenheit.
L 61°H 91°
Lewiston, ID
7-day forecast
  1. Today
    Jul 4
    Partly Cloudy
    91°59°
  2. Sunday
    Jul 5
    Overcast
    91°66°
  3. Monday
    Jul 6
    Overcast
    94°58°+3°
  4. Tuesday
    Jul 7
    Light Drizzle
    15%
    100°62°+6°
  5. Wednesday
    Jul 8
    Overcast
    90°63°-10°
  6. Thursday
    Jul 9
    Clear
    90°55°
  7. Friday
    Jul 10
    Clear
    96°57°+6°
Lewiston, ID
Anemometer · 24h winds · from true
NESW
From · True
ESE
119° · backing 38°
Direction
ESE
119°
Sustained
6
mph
Gust
9
mph
Peak 24h
12
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 12 @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 173SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Lewiston, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
970.4
+0.7 mb in 3h · rising · 28.66 inHg
Now
970.4
mb
3h
+0.7
mb
12h
-0.6
mb
24h
-1.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969973
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW973.1969.3970.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lewiston, ID
Air quality
16
AQI
Good
-15 in 6hPeak ~24 @ 7 PM

AQI 16 (Good), driven by PM2.5. AQI down 15 over the last 6 hours — air quality is improving sharply.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.

PM 2.5DRIVERGood
3.4μg/m³
PM 10Good
4μg/m³
NO₂Good
19μg/m³
OzoneGood
28μg/m³
UV IndexLow
0.2
Lewiston, ID
Sky cover · visibility · 24h
Cloud cover
32%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
69.9mi
UNLIMITED
153 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
13:26 UTC · Lewiston, ID · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
13:26 UTC · Lewiston, ID · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lewiston, ID
Satellite · infrared · animated
Lewiston, ID
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lewiston, ID
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:23 AM
Sunrise
10:01 PM
Daylight
15h 42m
Sunset
1:43 PM
Civil dusk
9:23 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lewiston, ID
The moon
Waning Gibbous
81% illuminated
Moonrise
10:54 PM
Moonset
9:51 AM
In sign
♓︎ Pisces
Lewiston, ID
Microseason
Jul 1–5

Monsoon storms drench the south

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lewiston at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: May 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 83501

16-Day Forecast — Lewiston

  1. Sat91°59°0%
  2. Sun91°66°0%
  3. Mon94°58°5%
  4. Tue100°62°15%
  5. Wed90°63°5%
  6. Thu90°55°0%
  7. Fri96°57°1%
  8. Sat103°62°1%
  9. Sun91°72°2%
  10. Mon85°57°3%
  11. Tue95°54°4%
  12. Wed104°57°10%
  13. Thu109°63°9%
  14. Fri112°72°3%
  15. Sat111°75°6%
  16. Sun110°70°10%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Lewiston

  • 83501

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.