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Current weather in Lewiston is broken clouds.

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This page shows hourly weather forecast for Lewiston, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Lewiston updated regularly?

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

Now · 11:43 AM

Lewiston Weather & Hourly Forecast

United States · Utah · 84320

68°F

Mostly cloudy

Feels like: 63°F

💧 Humidity 24% 🌡 Pressure 29.97 inHg 💨 Wind 2 mph 👁 Visibility 31.4 mi ☁ Clouds 89% ☀️ UV index 3.7 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Lewiston

Today

12:00 PM

Mostly cloudy

68° 💧 None 💨 2 mph H 24%29.97 inHg

3:00 PM

Overcast

78° 💧 None 💨 7 mph H 17%29.85 inHg

6:00 PM

Mostly cloudy

77° 💧 None 💨 8 mph H 17%29.80 inHg

9:00 PM

Mostly cloudy night

67° 💧 None 💨 1 mph H 28%29.80 inHg

Tomorrow

12:00 AM

Mostly clear night

60° 💧 None 💨 3 mph H 36%29.83 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 2 mph H 39%29.83 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 52%29.88 inHg

9:00 AM

Mostly sunny

64° 💧 0.005 in 💨 1 mph H 43%30.00 inHg

12:00 PM

Light thunderstorms

71° 💧 0.016 in 💨 7 mph H 49%30.03 inHg

3:00 PM

Mostly sunny

79° 💧 0.000 in 💨 2 mph H 35%29.91 inHg

6:00 PM

Mostly sunny

78° 💧 None 💨 2 mph H 31%29.88 inHg

9:00 PM

Mostly clear night

67° 💧 None 💨 3 mph H 50%29.91 inHg

Thursday

12:00 AM

Mostly clear night

62° 💧 0.000 in 💨 2 mph H 62%29.94 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 66%29.94 inHg

6:00 AM

Clear night

59° 💧 None 💨 0 mph H 65%29.97 inHg

9:00 AM

Sunny

65° 💧 None 💨 2 mph H 54%30.03 inHg

Today

12:00 PM

Mostly cloudy

68° 💧 None 💨 2 mph H 24%29.97 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 2 mph H 18%29.94 inHg

2:00 PM

Mostly cloudy

76° 💧 None 💨 4 mph H 17%29.88 inHg

3:00 PM

Overcast

78° 💧 None 💨 7 mph H 17%29.85 inHg

4:00 PM

Partly cloudy

77° 💧 None 💨 9 mph H 18%29.83 inHg

5:00 PM

Partly cloudy

78° 💧 None 💨 9 mph H 17%29.80 inHg

6:00 PM

Mostly cloudy

77° 💧 None 💨 8 mph H 17%29.80 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 5 mph H 20%29.80 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 4 mph H 25%29.80 inHg

9:00 PM

Mostly cloudy night

67° 💧 None 💨 1 mph H 28%29.80 inHg

10:00 PM

Partly cloudy night

66° 💧 None 💨 1 mph H 29%29.80 inHg

11:00 PM

Mostly clear night

62° 💧 None 💨 3 mph H 32%29.83 inHg

Tomorrow

12:00 AM

Mostly clear night

60° 💧 None 💨 3 mph H 36%29.83 inHg

1:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 37%29.83 inHg

2:00 AM

Partly cloudy night

59° 💧 None 💨 0 mph H 37%29.83 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 2 mph H 39%29.83 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 43%29.85 inHg

5:00 AM

Clear night

56° 💧 None 💨 2 mph H 48%29.85 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 52%29.88 inHg

7:00 AM

Clear night

54° 💧 None 💨 1 mph H 57%29.91 inHg

8:00 AM

Sunny

57° 💧 None 💨 1 mph H 55%29.94 inHg

9:00 AM

Mostly sunny

64° 💧 None 💨 1 mph H 43%30.00 inHg

10:00 AM

Light thunderstorms

67° 💧 0.004 in 💨 3 mph H 46%30.03 inHg

11:00 AM

Strong thunderstorm

71° 💧 0.001 in 💨 3 mph H 43%30.00 inHg

12:00 PM

Light thunderstorms

71° 💧 0.008 in 💨 7 mph H 49%30.03 inHg

1:00 PM

Light rain

75° 💧 0.004 in 💨 7 mph H 42%30.00 inHg

2:00 PM

Sunny

76° 💧 0.004 in 💨 2 mph H 40%29.97 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 2 mph H 35%29.91 inHg

4:00 PM

Partly cloudy

79° 💧 0.000 in 💨 2 mph H 32%29.91 inHg

5:00 PM

Partly cloudy

79° 💧 None 💨 1 mph H 31%29.88 inHg

6:00 PM

Mostly sunny

78° 💧 None 💨 2 mph H 31%29.88 inHg

7:00 PM

Partly cloudy

75° 💧 None 💨 3 mph H 35%29.88 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 3 mph H 43%29.88 inHg

9:00 PM

Mostly clear night

67° 💧 None 💨 3 mph H 50%29.91 inHg

10:00 PM

Clear night

65° 💧 None 💨 2 mph H 55%29.94 inHg

11:00 PM

Clear night

63° 💧 None 💨 3 mph H 59%29.94 inHg

Thursday

12:00 AM

Mostly clear night

62° 💧 None 💨 2 mph H 62%29.94 inHg

1:00 AM

Clear night

61° 💧 0.000 in 💨 2 mph H 63%29.94 inHg

2:00 AM

Clear night

60° 💧 None 💨 1 mph H 66%29.94 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 66%29.94 inHg

4:00 AM

Clear night

59° 💧 None 💨 0 mph H 66%29.97 inHg

5:00 AM

Clear night

59° 💧 None 💨 0 mph H 65%29.97 inHg

6:00 AM

Clear night

59° 💧 None 💨 0 mph H 65%29.97 inHg

7:00 AM

Mostly clear night

58° 💧 None 💨 0 mph H 66%30.00 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 1 mph H 65%30.03 inHg

9:00 AM

Sunny

65° 💧 None 💨 2 mph H 54%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 2 mph H 45%30.03 inHg

11:00 AM

Sunny

73° 💧 None 💨 3 mph H 42%30.03 inHg

12:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 39%30.00 inHg

1:00 PM

Light rain

77° 💧 0.006 in 💨 2 mph H 40%29.97 inHg

2:00 PM

Light thunderstorms

74° 💧 0.005 in 💨 9 mph H 48%29.97 inHg

3:00 PM

Mostly sunny

75° 💧 0.002 in 💨 8 mph H 45%29.97 inHg

4:00 PM

Mostly sunny

77° 💧 0.000 in 💨 6 mph H 41%29.91 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 2 mph H 38%29.88 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 2 mph H 34%29.88 inHg

Friday

3:00 AM

Partly cloudy night

57° 💧 None 💨 5 mph H 87%30.00 inHg

6:00 AM

Clear night

54° 💧 None 💨 4 mph H 88%30.03 inHg

9:00 AM

Partly cloudy

59° 💧 None 💨 2 mph H 79%30.06 inHg

12:00 PM

Partly cloudy

69° 💧 None 💨 7 mph H 58%30.03 inHg

3:00 PM

Mostly sunny

75° 💧 None 💨 10 mph H 39%29.94 inHg

6:00 PM

Light rain

73° 💧 None 💨 6 mph H 37%29.91 inHg

9:00 PM

Clear night

57° 💧 None 💨 6 mph H 88%30.03 inHg

Saturday

12:00 AM

Light rain

55° 💧 None 💨 2 mph H 84%30.03 inHg

3:00 AM

Mostly clear night

53° 💧 None 💨 2 mph H 91%30.06 inHg

6:00 AM

Light rain

51° 💧 None 💨 4 mph H 92%30.09 inHg

9:00 AM

Sunny

55° 💧 None 💨 4 mph H 77%30.12 inHg

12:00 PM

Light rain

64° 💧 None 💨 3 mph H 48%30.09 inHg

3:00 PM

Mostly sunny

69° 💧 None 💨 5 mph H 35%30.00 inHg

6:00 PM

Sunny

69° 💧 None 💨 8 mph H 30%29.97 inHg

9:00 PM

Clear night

57° 💧 None 💨 2 mph H 58%30.06 inHg

Sunday

12:00 AM

Clear night

54° 💧 None 💨 2 mph H 59%30.09 inHg

3:00 AM

Clear night

51° 💧 None 💨 2 mph H 64%30.09 inHg

6:00 AM

Clear night

50° 💧 None 💨 1 mph H 64%30.12 inHg

9:00 AM

Sunny

57° 💧 None 💨 1 mph H 54%30.15 inHg

12:00 PM

Sunny

68° 💧 None 💨 2 mph H 39%30.09 inHg

3:00 PM

Mostly sunny

73° 💧 None 💨 3 mph H 32%30.03 inHg

6:00 PM

Sunny

72° 💧 None 💨 4 mph H 32%29.97 inHg

9:00 PM

Clear night

61° 💧 None 💨 1 mph H 52%30.00 inHg

Monday

12:00 AM

Clear night

57° 💧 None 💨 4 mph H 56%30.03 inHg

6:00 AM

Clear night

58° 💧 None 💨 3 mph H 48%30.03 inHg

12:00 PM

Sunny

54° 💧 None 💨 2 mph H 51%30.03 inHg

6:00 PM

Sunny

73° 💧 None 💨 2 mph H 27%30.00 inHg

Tuesday

12:00 AM

Mostly clear night

77° 💧 None 💨 6 mph H 20%29.83 inHg

6:00 AM

Partly cloudy night

62° 💧 None 💨 1 mph H 36%29.88 inHg

12:00 PM

Light rain

56° 💧 None 💨 1 mph H 56%29.94 inHg

6:00 PM

Overcast

70° 💧 None 💨 5 mph H 38%29.88 inHg

Wednesday

12:00 AM

Mostly clear night

64° 💧 None 💨 2 mph H 55%29.83 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 73%29.83 inHg

12:00 PM

Sunny

51° 💧 None 💨 1 mph H 79%29.85 inHg

6:00 PM

Mostly sunny

70° 💧 None 💨 4 mph H 43%29.83 inHg

Thursday

12:00 AM

Clear night

73° 💧 None 💨 9 mph H 29%29.68 inHg

6:00 AM

Partly cloudy night

60° 💧 None 💨 1 mph H 45%29.74 inHg

12:00 PM

Sunny

53° 💧 None 💨 2 mph H 61%29.77 inHg

6:00 PM

Mostly sunny

73° 💧 None 💨 16 mph H 30%29.74 inHg

Friday

12:00 AM

Mostly clear night

74° 💧 None 💨 15 mph H 23%29.56 inHg

6:00 AM

Light rain

54° 💧 None 💨 3 mph H 77%29.83 inHg

12:00 PM

Mostly sunny

42° 💧 None 💨 4 mph H 93%30.03 inHg

6:00 PM

Mostly cloudy

55° 💧 None 💨 5 mph H 42%30.03 inHg

Saturday

12:00 AM

Overcast night

60° 💧 None 💨 8 mph H 21%29.91 inHg

6:00 AM

Overcast night

51° 💧 None 💨 3 mph H 39%29.88 inHg

12:00 PM

Overcast

52° 💧 None 💨 1 mph H 46%29.80 inHg

6:00 PM

Overcast

62° 💧 None 💨 4 mph H 30%29.77 inHg

Sunday

12:00 AM

Mostly cloudy night

59° 💧 None 💨 9 mph H 44%29.85 inHg

6:00 AM

Clear night

47° 💧 None 💨 4 mph H 67%29.91 inHg

12:00 PM

Mostly sunny

42° 💧 None 💨 5 mph H 85%30.00 inHg

6:00 PM

Mostly sunny

56° 💧 None 💨 6 mph H 48%30.03 inHg

Monday

12:00 AM

Clear night

57° 💧 None 💨 10 mph H 40%29.97 inHg

6:00 AM

Clear night

43° 💧 None 💨 3 mph H 73%30.09 inHg

12:00 PM

Sunny

40° 💧 None 💨 1 mph H 77%30.15 inHg

6:00 PM

Sunny

57° 💧 None 💨 2 mph H 47%30.18 inHg

Tuesday

12:00 AM

Clear night

63° 💧 None 💨 4 mph H 33%30.09 inHg

6:00 AM

Clear night

48° 💧 None 💨 4 mph H 61%30.18 inHg

12:00 PM

Sunny

43° 💧 None 💨 3 mph H 72%30.24 inHg

6:00 PM

Sunny

62° 💧 None 💨 3 mph H 34%30.21 inHg

Wednesday

12:00 AM

Clear night

69° 💧 None 💨 4 mph H 28%30.09 inHg

In Lewiston and, more broadly, across the state of Utah: The afternoon will feature a mix of sun and clouds with mild temperatures ranging from 52 to 68 degrees Fahrenheit. Winds will be moderate, coming from the southwest at speeds up to 18 mph, with gusts reaching 27 mph. No significant rainfall is expected throughout the rest of the day, making for fairly pleasant conditions. The weather remains relatively stable, with no major changes forecasted. It’s a good day to enjoy outdoor activities, but be mindful of the breezy conditions, especially if you're planning to be outdoors for extended periods. Temperatures will gradually stay within the mild range, providing comfortable conditions for the remainder of the day.

15-Day Weather Outlook for Lewiston

TomorrowTomorrow

Light thunderstorms 79°/54° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light thunderstorms 79°/58° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Light rain 75°/54° 💧 0.275 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Light rain 69°/51° 💧 0.065 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 73°/50° 💧 None 💨 4 mph

Monday, Sep 21Mon Sep 21

Sunny 73°/54° 💧 None 💨 4 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 77°/56° 💧 0.002 in 💨 6 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 70°/51° 💧 0.267 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 73°/53° 💧 0.003 in 💨 16 mph

Friday, Sep 25Fri Sep 25

Light rain 74°/42° 💧 0.099 in 💨 15 mph

Saturday, Sep 26Sat Sep 26

Overcast 62°/51° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 59°/42° 💧 0.013 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Sunny 57°/40° 💧 None 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Sunny 63°/43° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Sunny 69°/69° 💧 None 💨 4 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

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 2,2µg/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 6,4µg/m³

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

O₃ Ozone Fair 73,0µg/m³

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

NO₂ Nitrogen dioxide Good 6,8µg/m³

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

Air quality is acceptable for most people.

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 6,2High 🙂Fair

Tomorrow UV 6,3High 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 6,0High 🙂Fair

Saturday UV 5,0Moderate 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

12:00 PMUV 5,3 1:00 PMUV 6,2 2:00 PMUV 6,1 3:00 PMUV 4,9 4:00 PMUV 3,1 5:00 PMUV 1,5 6:00 PMUV 0,6 7:00 PMUV 0,1

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed. Dry air can increase hydration needs.

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, UTAH

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:12 PM–5:34 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 23% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 78° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

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.

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Forecast data for Lewiston were last refreshed today at 11:43 AM. The current forecast period extends through 17/09/2026 at 9:00 AM. 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.