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Lewiston UT Weather - Clear - 65°F
Clear
65°F
Updated 1:31 pm
Feels Like 52°F
Humidity 22%
Wind N 6 mph
Barometer  30.11 in
Dew Point 26°F
Lewiston UT Weather - Clear - 18°C
Clear
18°C
Updated 1:31 pm
Feels Like 11°C
Humidity 22%
Wind N 10 km/h
Barometer  102 kPa
Dew Point -3°C
Lewiston, UT Weather and Current Conditionslewiston ut weather forecast

Lewiston, UT Weather Forecast

Lewiston Utah WeatherLewiston, Utah Weather Weather Forecast
Here is the API 14 day weather forecast for Lewiston, Utah. Note: The 7-day weather forecast for Lewiston, UT is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Lewiston, UT Weather Forecast Dated: 131 PM Mon Sep 14 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.

Monday, September 14, 2026

Mid-Morning
Lewiston Weather - 2026-09-14 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-14 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-14 - Evening - Sunny
58°F 14°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the W to the ESE at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Lewiston Weather - 2026-09-15 - Morning - Overcast
58°F 14°C
Overcast
Mid-Afternoon
Lewiston Weather - 2026-09-15 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Lewiston Weather - 2026-09-15 - Evening - Sunny
65°F 18°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ESE at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Lewiston Weather - 2026-09-16 - Morning - Scattered Showers
65°F 18°C
Scattered Showers
Mid-Afternoon
Lewiston Weather - 2026-09-16 - Afternoon - Sunny
80°F 26°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-16 - Evening - Sunny
71°F 22°C
Sunny
Quite warm around 80°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds increasing from the SSW at 3 mph 5 km/h to E at 11 mph 18 km/h.

Thursday, September 17, 2026

Mid-Morning
Lewiston Weather - 2026-09-17 - Morning - Scattered Showers
67°F 20°C
Scattered Showers
Mid-Afternoon
Lewiston Weather - 2026-09-17 - Afternoon - Nearby Thunderstorms
74°F 23°C
Nearby Thunderstorms
Early-Evening
Lewiston Weather - 2026-09-17 - Evening - Scattered Showers
65°F 19°C
Scattered Showers
Mild temperatures up to 74°F 23°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds picking up from SSE at 0 mph 0 km/h to ESE at 9 mph 13 km/h.

Friday, September 18, 2026

Mid-Morning
Lewiston Weather - 2026-09-18 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-18 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-18 - Evening - Sunny
65°F 18°C
Sunny
Mild with a high of 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WSW to the ESE at 8 mph 12 km/h.

Saturday, September 19, 2026

Mid-Morning
Lewiston Weather - 2026-09-19 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-19 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-19 - Evening - Sunny
69°F 21°C
Sunny
Pleasant near 78°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the E to the ESE at 8 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Lewiston Weather - 2026-09-20 - Morning - Cloudy
67°F 19°C
Cloudy
Mid-Afternoon
Lewiston Weather - 2026-09-20 - Afternoon - Overcast
80°F 26°C
Overcast
Early-Evening
Lewiston Weather - 2026-09-20 - Evening - Overcast
72°F 22°C
Overcast
Balmy with temperatures reaching 80°F 26°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the E to the S at 6 mph 9 km/h.

Monday, September 21, 2026

Mid-Morning
Lewiston Weather - 2026-09-21 - Morning - Scattered Showers
60°F 15°C
Scattered Showers
Mid-Afternoon
Lewiston Weather - 2026-09-21 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Lewiston Weather - 2026-09-21 - Evening - Overcast
63°F 17°C
Overcast
Cool with a high near 66°F 19°C, scattered downpours possible, with lower humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Lewiston Weather - 2026-09-22 - Morning - Cloudy
61°F 16°C
Cloudy
Mid-Afternoon
Lewiston Weather - 2026-09-22 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Lewiston Weather - 2026-09-22 - Evening - Scattered Showers
55°F 13°C
Scattered Showers
Mild temperatures up to 69°F 20°C, locally heavy downpours at times, with increasing humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Lewiston Weather - 2026-09-23 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Lewiston Weather - 2026-09-23 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-23 - Evening - Partly Cloudy
62°F 17°C
Partly Cloudy
Mild with a high of 71°F 22°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds building from S at 4 mph 6 km/h to SE at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.

Thursday, September 24, 2026

Mid-Morning
Lewiston Weather - 2026-09-24 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-24 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Lewiston Weather - 2026-09-24 - Evening - Cloudy
66°F 19°C
Cloudy
Pleasant near 76°F 24°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSW to the ESE at 6 mph 11 km/h.

Friday, September 25, 2026

Mid-Morning
Lewiston Weather - 2026-09-25 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-25 - Afternoon - Partly Cloudy
77°F 25°C
Partly Cloudy
Early-Evening
Lewiston Weather - 2026-09-25 - Evening - Sunny
68°F 20°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the SE to the ESE at 7 mph 11 km/h.

Saturday, September 26, 2026

Mid-Morning
Lewiston Weather - 2026-09-26 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Lewiston Weather - 2026-09-26 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
Lewiston Weather - 2026-09-26 - Evening - Partly Cloudy
71°F 22°C
Partly Cloudy
Enjoyable around 79°F 26°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the E to the ESE at 5 mph 8 km/h.

Sunday, September 27, 2026

Mid-Morning
Lewiston Weather - 2026-09-27 - Morning - Scattered Showers
65°F 18°C
Scattered Showers
Mid-Afternoon
Lewiston Weather - 2026-09-27 - Afternoon - Light Showers
55°F 13°C
Light Showers
Early-Evening
Lewiston Weather - 2026-09-27 - Evening - Scattered Showers
60°F 15°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the E to the S at 6 mph 10 km/h.

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Weather by the Numbers

Mon, 14th
Lewiston UT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 66°F 19°C
Lo: 40°F 5°C
Sunrise 07:07 AM
Sunset 07:38 PM
Wind W 7 mph12 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 25%
Tue, 15th
Lewiston UT Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 73°F 23°C
Lo: 45°F 7°C
Sunrise 07:08 AM
Sunset 07:37 PM
Wind WSW 7 mph12 km/h
Dew Point 22°F-6°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 16%
Wed, 16th
Lewiston UT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 80°F 26°C
Lo: 55°F 13°C
Sunrise 07:09 AM
Sunset 07:35 PM
Wind SW 12 mph19 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 31%
Thu, 17th
Lewiston UT Weather - Thursday, Sep 17, 2026 - Patchy Rain Nearby
Hi: 77°F 25°C
Lo: 57°F 14°C
Sunrise 07:10 AM
Sunset 07:33 PM
Wind W 6 mph9 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 17% *
Humidity 39%
Fri, 18th
Lewiston UT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 74°F 23°C
Lo: 52°F 11°C
Sunrise 07:11 AM
Sunset 07:31 PM
Wind W 9 mph14 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 17%
Sat, 19th
Lewiston UT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 78°F 26°C
Lo: 53°F 12°C
Sunrise 07:12 AM
Sunset 07:30 PM
Wind W 5 mph9 km/h
Dew Point 26°F-3°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 17%
Sun, 20th
Lewiston UT Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 80°F 26°C
Lo: 56°F 13°C
Sunrise 07:13 AM
Sunset 07:28 PM
Wind SW 5 mph9 km/h
Dew Point 20°F-7°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 11%
Mon, 21st
Lewiston UT Weather - Monday, Sep 21, 2026 - Overcast
Hi: 67°F 19°C
Lo: 57°F 14°C
Sunrise 07:14 AM
Sunset 07:26 PM
Wind ESE 5 mph9 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 14% *
Humidity 57%
Tue, 22nd
Lewiston UT Weather - Tuesday, Sep 22, 2026 - Partly Cloudy
Hi: 70°F 21°C
Lo: 53°F 12°C
Sunrise 07:15 AM
Sunset 07:24 PM
Wind WNW 6 mph10 km/h
Dew Point 42°F5°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 36%
Wed, 23rd
Lewiston UT Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 71°F 22°C
Lo: 51°F 10°C
Sunrise 07:16 AM
Sunset 07:23 PM
Wind SW 13 mph20 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 30%
Thu, 24th
Lewiston UT Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 76°F 24°C
Lo: 55°F 13°C
Sunrise 07:17 AM
Sunset 07:21 PM
Wind SW 9 mph15 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 24%
Fri, 25th
Lewiston UT Weather - Friday, Sep 25, 2026 - Partly Cloudy
Hi: 77°F 25°C
Lo: 58°F 14°C
Sunrise 07:18 AM
Sunset 07:19 PM
Wind W 8 mph13 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 22%
Sat, 26th
Lewiston UT Weather - Saturday, Sep 26, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 58°F 15°C
Sunrise 07:19 AM
Sunset 07:17 PM
Wind W 7 mph11 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 21%
Sun, 27th
Lewiston UT Weather - Sunday, Sep 27, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 55°F 13°C
Sunrise 07:20 AM
Sunset 07:16 PM
Wind WSW 10 mph16 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 10% *
Humidity 32%
* POP = Probability of Precipitation. Data for 12:00 PM.