Lewiston, Idaho 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 96°F 36°C Heat Index: 95°F	Observed at: Lewiston, ID	Elevation: 738 ft | 225 m
	Last Updated: July 16, 9:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 96°F | 36°C
	Pressure: 28.91 in | 979.1 mb	Dewpoint: 57°F | 14°C
	Humidity: 27%	Wind: N 8 mph | N 13 kph
	Feels Like: 95°F | 35°C	Visibility: 139.2 mi | 224.1 km
	Lat/Long: 46.4166 | -117.0177	Sunrise: 6:12 AM   Sunset: 9:36 PM

7 Day Graphical Forecast

Valid: 9:27 PM 7/16/2026

Today Overcast 105 |71 °F 40 |22 °C 13% Chance Precipitation Friday Overcast 96 |76 °F 36 |25 °C 7% Chance Precipitation Saturday Clear 98 |73 °F 37 |23 °C 4% Chance Precipitation Sunday Overcast 98 |65 °F 37 |19 °C 0% Chance Precipitation Monday Overcast 99 |67 °F 37 |19 °C 1% Chance Precipitation Tuesday Overcast 107 |71 °F 42 |22 °C 3% Chance Precipitation Wednesday Overcast 109 |79 °F 43 |26 °C 8% Chance Precipitation

7 Hour Graphical Forecast

Valid: 9:27 PM 7/16/2026

9 PM Clear 97 °F 2% Chance Precipitation

10 PM Clear 94 °F 3% Chance Precipitation

11 PM Clear 91 °F 2% Chance Precipitation

12 AM Clear 90 °F 2% Chance Precipitation

1 AM Clear 87 °F 1% Chance Precipitation

2 AM Clear 85 °F 1% Chance Precipitation

3 AM Overcast 84 °F 2% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Lewiston, ID - (Fahrenheit & Celsius) Valid: 9:27 PM 7/16/2026 Today Overcast with a high near 105°F [40°C]. N wind to around 8 mph [12 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 57°F [14°C] with humidity of 46%. Pressure around 28.91 in [979.1 mb]. UV Index: 7.55. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 71°F [22°C]. N wind to around 8 mph [12 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 96°F [36°C]. NNW wind to around 11 mph [18 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 57°F [14°C] with humidity of 39%. Pressure around 28.91 in [979.1 mb]. UV Index: 7.3. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 76°F [25°C]. NNW wind to around 11 mph [18 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 98°F [37°C]. WNW wind to around 18 mph [28 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 57°F [14°C] with humidity of 24%. Pressure around 28.91 in [979.1 mb]. UV Index: 7.6. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 73°F [23°C]. WNW wind to around 18 mph [28 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 98°F [37°C]. NW wind to around 13 mph [21 kph], with gusts to near 15 mph [25 kph]. Dewpoint near 57°F [14°C] with humidity of 39%. Pressure around 28.91 in [979.1 mb]. UV Index: 7.55. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 65°F [19°C]. NW wind to around 13 mph [21 kph], with gusts to near 15 mph [25 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 99°F [37°C]. NE wind to around 15 mph [23 kph], with gusts to near 16 mph [25 kph]. Dewpoint near 57°F [14°C] with humidity of 34%. Pressure around 28.91 in [979.1 mb]. UV Index: 4.7. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 67°F [19°C]. NE wind to around 15 mph [23 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 107°F [42°C]. NNE wind to around 9 mph [14 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 57°F [14°C] with humidity of 37%. Pressure around 28.91 in [979.1 mb]. UV Index: 7.55. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 71°F [22°C]. NNE wind to around 9 mph [14 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 109°F [43°C]. WNW wind to around 12 mph [19 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 57°F [14°C] with humidity of 36%. Pressure around 28.91 in [979.1 mb]. UV Index: 6.6. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 79°F [26°C]. WNW wind to around 12 mph [19 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Lewiston, ID

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Lewiston, ID

Today: N @ 12 kph | 8 mph

Tonight: N @ 12 kph | 8 mph

Friday: NNW @ 18 kph | 11 mph

Friday Night: NNW @ 18 kph | 11 mph

Saturday: WNW @ 28 kph | 18 mph

Saturday Night: WNW @ 28 kph | 18 mph

Sunday: NW @ 21 kph | 13 mph

Sunday Night: NW @ 21 kph | 13 mph

Monday: NE @ 23 kph | 15 mph

Monday Night: NE @ 23 kph | 15 mph

Tuesday: NNE @ 14 kph | 9 mph

Tuesday Night: NNE @ 14 kph | 9 mph

Wednesday: WNW @ 19 kph | 12 mph

Wednesday Night: WNW @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Lewiston, ID

Today: 46 %

Tonight: 46 %

Friday: 39 %

Friday Night: 39 %

Saturday: 24 %

Saturday Night: 24 %

Sunday: 39 %

Sunday Night: 39 %

Monday: 34 %

Monday Night: 34 %

Tuesday: 37 %

Tuesday Night: 37 %

Wednesday: 36 %

Wednesday Night: 36 %

7 Day and Night - Snowfall Totals Forecast for Lewiston, ID

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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