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Current weather in Lewiston is broken clouds.

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Weather data for Lewiston is updated regularly with the latest available observations and forecasts.

Now · 3:45 PM

Lewiston Weather & Hourly Forecast

United States · Idaho · 83501

75°F

Mostly cloudy

Feels like: 73°F

💧 Humidity 30% 🌡 Pressure 29.85 inHg 💨 Wind 1 mph 👁 Visibility 26.4 mi ☁ Clouds 73% ☀️ UV index 3.2 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Lewiston

Today

4:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 30%29.85 inHg

7:00 PM

Mostly cloudy

68° 💧 None 💨 1 mph H 43%29.85 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 1 mph H 61%29.88 inHg

Tomorrow

1:00 AM

Overcast night

58° 💧 None 💨 1 mph H 66%29.88 inHg

4:00 AM

Overcast night

55° 💧 None 💨 2 mph H 73%29.88 inHg

7:00 AM

Overcast

56° 💧 None 💨 2 mph H 76%29.88 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 3 mph H 57%29.88 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 4 mph H 38%29.83 inHg

4:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 28%29.71 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 2 mph H 43%29.62 inHg

10:00 PM

Overcast night

67° 💧 0.070 in 💨 2 mph H 54%29.62 inHg

Sunday

1:00 AM

Mostly cloudy night

60° 💧 0.050 in 💨 7 mph H 77%29.68 inHg

4:00 AM

Light rain

55° 💧 0.217 in 💨 4 mph H 86%29.77 inHg

7:00 AM

Light rain

55° 💧 0.142 in 💨 2 mph H 89%29.83 inHg

10:00 AM

Light rain

57° 💧 0.105 in 💨 4 mph H 69%29.91 inHg

1:00 PM

Light thunderstorms

57° 💧 0.102 in 💨 7 mph H 70%29.94 inHg

Today

4:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 30%29.85 inHg

5:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 30%29.85 inHg

6:00 PM

Mostly cloudy

73° 💧 None 💨 1 mph H 41%29.85 inHg

7:00 PM

Mostly cloudy

68° 💧 None 💨 1 mph H 43%29.85 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 1 mph H 50%29.85 inHg

9:00 PM

Mostly clear night

63° 💧 None 💨 1 mph H 57%29.88 inHg

10:00 PM

Mostly cloudy night

61° 💧 None 💨 1 mph H 61%29.88 inHg

11:00 PM

Overcast night

60° 💧 None 💨 1 mph H 63%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

59° 💧 None 💨 1 mph H 63%29.88 inHg

1:00 AM

Overcast night

58° 💧 None 💨 1 mph H 66%29.88 inHg

2:00 AM

Overcast night

57° 💧 None 💨 1 mph H 69%29.88 inHg

3:00 AM

Overcast night

56° 💧 None 💨 1 mph H 71%29.88 inHg

4:00 AM

Overcast night

55° 💧 None 💨 2 mph H 73%29.88 inHg

5:00 AM

Overcast night

55° 💧 None 💨 2 mph H 76%29.88 inHg

6:00 AM

Overcast night

55° 💧 None 💨 2 mph H 77%29.88 inHg

7:00 AM

Overcast

56° 💧 None 💨 2 mph H 76%29.88 inHg

8:00 AM

Overcast

58° 💧 None 💨 3 mph H 68%29.88 inHg

9:00 AM

Overcast

60° 💧 None 💨 3 mph H 63%29.88 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 3 mph H 57%29.88 inHg

11:00 AM

Partly cloudy

67° 💧 None 💨 3 mph H 50%29.85 inHg

12:00 PM

Mostly cloudy

71° 💧 None 💨 4 mph H 42%29.85 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 4 mph H 38%29.83 inHg

2:00 PM

Mostly cloudy

77° 💧 None 💨 5 mph H 34%29.77 inHg

3:00 PM

Partly cloudy

79° 💧 None 💨 6 mph H 31%29.74 inHg

4:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 28%29.71 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 6 mph H 29%29.68 inHg

6:00 PM

Sunny

77° 💧 None 💨 3 mph H 39%29.65 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 2 mph H 43%29.62 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 3 mph H 47%29.62 inHg

9:00 PM

Overcast night

68° 💧 None 💨 2 mph H 49%29.62 inHg

10:00 PM

Overcast night

67° 💧 None 💨 2 mph H 54%29.62 inHg

11:00 PM

Light rain

66° 💧 0.007 in 💨 4 mph H 59%29.65 inHg

Sunday

12:00 AM

Light rain

63° 💧 0.064 in 💨 7 mph H 75%29.68 inHg

1:00 AM

Mostly cloudy night

60° 💧 0.002 in 💨 7 mph H 77%29.68 inHg

2:00 AM

Mostly cloudy night

58° 💧 0.000 in 💨 9 mph H 75%29.71 inHg

3:00 AM

Light rain

56° 💧 0.048 in 💨 7 mph H 83%29.74 inHg

4:00 AM

Light rain

55° 💧 0.096 in 💨 4 mph H 86%29.77 inHg

5:00 AM

Light rain

55° 💧 0.078 in 💨 4 mph H 88%29.80 inHg

6:00 AM

Light rain

55° 💧 0.043 in 💨 3 mph H 88%29.80 inHg

7:00 AM

Light rain

55° 💧 0.036 in 💨 2 mph H 89%29.83 inHg

8:00 AM

Light rain

55° 💧 0.045 in 💨 2 mph H 88%29.85 inHg

9:00 AM

Light rain

55° 💧 0.061 in 💨 4 mph H 83%29.91 inHg

10:00 AM

Light rain

57° 💧 0.008 in 💨 4 mph H 69%29.91 inHg

11:00 AM

Light rain

60° 💧 0.019 in 💨 3 mph H 63%29.91 inHg

12:00 PM

Light thunderstorms

58° 💧 0.077 in 💨 5 mph H 71%29.94 inHg

1:00 PM

Light thunderstorms

57° 💧 0.079 in 💨 7 mph H 70%29.94 inHg

2:00 PM

Light rain

59° 💧 0.008 in 💨 6 mph H 60%29.94 inHg

3:00 PM

Light rain

59° 💧 0.015 in 💨 2 mph H 61%29.94 inHg

4:00 PM

Light rain

59° 💧 0.018 in 💨 1 mph H 64%29.94 inHg

5:00 PM

Light rain

58° 💧 0.009 in 💨 4 mph H 65%29.94 inHg

6:00 PM

Light rain

56° 💧 0.015 in 💨 2 mph H 75%29.97 inHg

7:00 PM

Light rain

55° 💧 0.022 in 💨 2 mph H 82%30.00 inHg

8:00 PM

Light rain

55° 💧 0.013 in 💨 3 mph H 85%30.00 inHg

9:00 PM

Light rain

55° 💧 0.016 in 💨 3 mph H 82%30.00 inHg

10:00 PM

Light rain

54° 💧 0.013 in 💨 3 mph H 84%30.00 inHg

11:00 PM

Light rain

54° 💧 0.006 in 💨 2 mph H 84%30.00 inHg

Monday

12:00 AM

Overcast night

55° 💧 0.001 in 💨 2 mph H 84%30.00 inHg

1:00 AM

Overcast night

55° 💧 0.000 in 💨 1 mph H 83%30.00 inHg

2:00 AM

Light rain

55° 💧 0.010 in 💨 0 mph H 84%30.00 inHg

3:00 AM

Mostly cloudy night

54° 💧 0.001 in 💨 0 mph H 85%30.00 inHg

4:00 AM

Partly cloudy night

55° 💧 None 💨 1 mph H 84%30.00 inHg

5:00 AM

Mostly clear night

54° 💧 None 💨 1 mph H 85%30.03 inHg

8:00 AM

Sunny

52° 💧 None 💨 1 mph H 85%30.09 inHg

11:00 AM

Sunny

60° 💧 None 💨 3 mph H 55%30.09 inHg

2:00 PM

Sunny

66° 💧 None 💨 4 mph H 42%30.03 inHg

5:00 PM

Mostly sunny

65° 💧 None 💨 5 mph H 42%30.00 inHg

8:00 PM

Partly cloudy night

55° 💧 None 💨 2 mph H 60%30.00 inHg

11:00 PM

Overcast night

55° 💧 None 💨 2 mph H 59%30.00 inHg

Tuesday

2:00 AM

Partly cloudy night

52° 💧 None 💨 3 mph H 68%30.00 inHg

5:00 AM

Clear night

48° 💧 None 💨 3 mph H 78%30.00 inHg

8:00 AM

Partly cloudy

52° 💧 None 💨 3 mph H 69%30.00 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 3 mph H 49%30.00 inHg

2:00 PM

Overcast

70° 💧 None 💨 1 mph H 34%29.94 inHg

5:00 PM

Mostly cloudy

71° 💧 None 💨 4 mph H 30%29.94 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 4 mph H 53%29.97 inHg

11:00 PM

Partly cloudy night

56° 💧 None 💨 2 mph H 58%30.03 inHg

Wednesday

2:00 AM

Clear night

56° 💧 None 💨 1 mph H 54%30.03 inHg

5:00 AM

Clear night

53° 💧 None 💨 1 mph H 59%30.06 inHg

8:00 AM

Sunny

55° 💧 None 💨 4 mph H 58%30.12 inHg

11:00 AM

Sunny

66° 💧 None 💨 3 mph H 45%30.12 inHg

2:00 PM

Sunny

74° 💧 None 💨 2 mph H 35%30.06 inHg

5:00 PM

Sunny

75° 💧 None 💨 2 mph H 37%30.00 inHg

8:00 PM

Mostly clear night

64° 💧 None 💨 2 mph H 56%30.00 inHg

11:00 PM

Mostly clear night

61° 💧 None 💨 1 mph H 55%30.00 inHg

Thursday

2:00 AM

Clear night

58° 💧 None 💨 1 mph H 60%30.00 inHg

5:00 AM

Clear night

54° 💧 None 💨 2 mph H 70%30.00 inHg

11:00 AM

Sunny

71° 💧 None 💨 2 mph H 47%30.00 inHg

5:00 PM

Overcast

77° 💧 None 💨 5 mph H 39%29.94 inHg

11:00 PM

Mostly cloudy night

64° 💧 None 💨 3 mph H 61%29.97 inHg

Friday

5:00 AM

Overcast night

59° 💧 None 💨 1 mph H 66%30.03 inHg

11:00 AM

Sunny

71° 💧 None 💨 1 mph H 45%30.06 inHg

5:00 PM

Sunny

74° 💧 None 💨 7 mph H 36%30.00 inHg

11:00 PM

Clear night

62° 💧 None 💨 2 mph H 54%30.03 inHg

Saturday

5:00 AM

Clear night

58° 💧 None 💨 0 mph H 62%30.03 inHg

11:00 AM

Mostly sunny

70° 💧 None 💨 2 mph H 43%30.03 inHg

5:00 PM

Sunny

74° 💧 None 💨 8 mph H 34%29.94 inHg

11:00 PM

Clear night

60° 💧 None 💨 4 mph H 51%30.00 inHg

Sunday

5:00 AM

Mostly clear night

56° 💧 None 💨 1 mph H 56%30.06 inHg

11:00 AM

Partly cloudy

69° 💧 None 💨 4 mph H 38%30.06 inHg

5:00 PM

Sunny

76° 💧 None 💨 4 mph H 25%29.94 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 41%29.94 inHg

Monday

5:00 AM

Clear night

53° 💧 None 💨 4 mph H 63%29.91 inHg

11:00 AM

Mostly sunny

73° 💧 None 💨 5 mph H 33%29.88 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 2 mph H 25%29.74 inHg

11:00 PM

Clear night

63° 💧 None 💨 3 mph H 45%29.74 inHg

Tuesday

5:00 AM

Partly cloudy night

59° 💧 None 💨 6 mph H 53%29.80 inHg

11:00 AM

Mostly sunny

70° 💧 None 💨 8 mph H 37%29.88 inHg

5:00 PM

Sunny

71° 💧 None 💨 9 mph H 35%29.85 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 3 mph H 53%29.94 inHg

Wednesday

5:00 AM

Mostly clear night

55° 💧 None 💨 1 mph H 61%29.97 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 3 mph H 42%30.03 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 28%29.94 inHg

11:00 PM

Clear night

60° 💧 None 💨 2 mph H 52%29.97 inHg

Thursday

5:00 AM

Partly cloudy night

58° 💧 None 💨 1 mph H 54%29.97 inHg

11:00 AM

Mostly cloudy

71° 💧 None 💨 3 mph H 37%30.00 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 2 mph H 31%29.88 inHg

11:00 PM

Mostly clear night

66° 💧 None 💨 2 mph H 50%29.91 inHg

Friday

5:00 AM

Partly cloudy night

60° 💧 None 💨 1 mph H 64%29.91 inHg

11:00 AM

Overcast

67° 💧 None 💨 2 mph H 54%29.94 inHg

5:00 PM

Moderate rain

68° 💧 None 💨 7 mph H 58%29.94 inHg

11:00 PM

Light rain

60° 💧 None 💨 0 mph H 82%30.00 inHg

Saturday

5:00 AM

Partly cloudy night

57° 💧 None 💨 0 mph H 92%30.03 inHg

In Lewiston and, more broadly, across the state of Idaho: The late afternoon will feature mostly sunny skies with just a few clouds drifting through. Temperatures will remain mild, ranging from 57 to 64 degrees Fahrenheit. Winds will be coming from the west at around 14 mph, with gusts reaching up to 19 mph. No precipitation is expected as the evening progresses, and the weather will remain calm and dry. Temperatures are expected to stay steady through the evening hours, making for a comfortable night ahead.

15-Day Weather Outlook for Lewiston

TomorrowTomorrow

Mostly cloudy 81°/55° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 80°/55° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Overcast 66°/52° 💧 None 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 69°/47° 💧 None 💨 4 mph

Wednesday, Sep 16Wed Sep 16

Overcast 73°/54° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Sunny 73°/56° 💧 None 💨 4 mph

Friday, Sep 18Fri Sep 18

Sunny 74°/57° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Sunny 79°/57° 💧 None 💨 4 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 81°/61° 💧 None 💨 4 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 72°/52° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 68°/49° 💧 0.010 in 💨 14 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 63°/46° 💧 0.001 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Overcast 70°/56° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 67°/51° 💧 None 💨 4 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 79°/69° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Lewiston

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Lewiston

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Moderate 102,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Lewiston

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 4,8Moderate 😐Moderate

Tomorrow UV 4,3Moderate 😐Moderate

Sunday UV 0,9Low 🙂Fair

Monday UV 5,1Moderate 🙂Fair

Tuesday UV 5,0Moderate 🙂Fair

Wednesday UV 6,0High —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

4:00 PMUV 2,0 5:00 PMUV 0,9 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Lewiston

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LEWISTON, IDAHO

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

78/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:52 PM–4:38 AM

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 15° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min28%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Lewiston were last refreshed today at 3:45 PM. The current forecast period extends through 13/09/2026 at 1:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.