Letha, Idaho 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 92°F 33°C Heat Index: 89°F	Observed at: Letha, ID	Elevation: 2600 ft | 792 m
	Last Updated: July 16, 9:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 92°F | 33°C
	Pressure: 27.32 in | 925 mb	Dewpoint: 49°F | 9°C
	Humidity: 23%	Wind: ENE 1 mph | ENE 2 kph
	Feels Like: 92°F | 33°C	Visibility: 147.6 mi | 237.5 km
	Lat/Long: 43.8752 | -116.5183	Sunrise: 6:19 AM   Sunset: 9:25 PM

7 Day Graphical Forecast

Valid: 9:19 PM 7/16/2026

Today Partly Cloudy 103 |63 °F 39 |17 °C 10% Chance Precipitation Friday Overcast 99 |74 °F 37 |23 °C 7% Chance Precipitation Saturday Overcast 101 |72 °F 38 |22 °C 2% Chance Precipitation Sunday Overcast 102 |71 °F 39 |22 °C 0% Chance Precipitation Monday Overcast 104 |76 °F 40 |24 °C 2% Chance Precipitation Tuesday Partly Cloudy 106 |71 °F 41 |22 °C 7% Chance Precipitation Wednesday Overcast 92 |76 °F 33 |25 °C 24% Chance Precipitation

7 Hour Graphical Forecast

Valid: 9:19 PM 7/16/2026

9 PM Clear 94 °F 4% Chance Precipitation

10 PM Clear 89 °F 3% Chance Precipitation

11 PM Clear 85 °F 3% Chance Precipitation

12 AM Clear 84 °F 2% Chance Precipitation

1 AM Clear 83 °F 2% Chance Precipitation

2 AM Clear 82 °F 2% Chance Precipitation

3 AM Clear 80 °F 4% Chance Precipitation

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

7 Day & Night Weather Forecast for Letha, ID - (Fahrenheit & Celsius) Valid: 9:19 PM 7/16/2026 Today Partly Cloudy with a high near 103°F [39°C]. WNW wind to around 9 mph [15 kph], with gusts to near 13 mph [20 kph]. Dewpoint near 49°F [9°C] with humidity of 70%. Pressure around 27.32 in [925 mb]. UV Index: 7.9. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Tonight Partly Cloudy with a low around 63°F [17°C]. WNW wind to around 9 mph [15 kph], with gusts to near 13 mph [20 kph]. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 99°F [37°C]. WNW wind to around 8 mph [12 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 49°F [9°C] with humidity of 47%. Pressure around 27.32 in [925 mb]. UV Index: 7.9. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. WNW wind to around 8 mph [12 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 101°F [38°C]. WNW wind to around 11 mph [17 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 49°F [9°C] with humidity of 41%. Pressure around 27.32 in [925 mb]. UV Index: 7.95. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 72°F [22°C]. WNW wind to around 11 mph [17 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 102°F [39°C]. NNW wind to around 9 mph [14 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 49°F [9°C] with humidity of 39%. Pressure around 27.32 in [925 mb]. UV Index: 7.25. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 71°F [22°C]. NNW wind to around 9 mph [14 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 104°F [40°C]. N wind to around 14 mph [22 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 49°F [9°C] with humidity of 29%. Pressure around 27.32 in [925 mb]. UV Index: 6. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 76°F [24°C]. N wind to around 14 mph [22 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Tuesday Partly Cloudy with a high near 106°F [41°C]. NW wind to around 13 mph [21 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 49°F [9°C] with humidity of 40%. Pressure around 27.32 in [925 mb]. UV Index: 7.85. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Tuesday Night Partly Cloudy with a low around 71°F [22°C]. NW wind to around 13 mph [21 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 92°F [33°C]. E wind to around 14 mph [23 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 49°F [9°C] with humidity of 63%. Pressure around 27.32 in [925 mb]. UV Index: 3. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 76°F [25°C]. E wind to around 14 mph [23 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Letha, 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 Letha, ID

Today: WNW @ 15 kph | 9 mph

Tonight: WNW @ 15 kph | 9 mph

Friday: WNW @ 12 kph | 8 mph

Friday Night: WNW @ 12 kph | 8 mph

Saturday: WNW @ 17 kph | 11 mph

Saturday Night: WNW @ 17 kph | 11 mph

Sunday: NNW @ 14 kph | 9 mph

Sunday Night: NNW @ 14 kph | 9 mph

Monday: N @ 22 kph | 14 mph

Monday Night: N @ 22 kph | 14 mph

Tuesday: NW @ 21 kph | 13 mph

Tuesday Night: NW @ 21 kph | 13 mph

Wednesday: E @ 23 kph | 14 mph

Wednesday Night: E @ 23 kph | 14 mph

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

Today: 70 %

Tonight: 70 %

Friday: 47 %

Friday Night: 47 %

Saturday: 41 %

Saturday Night: 41 %

Sunday: 39 %

Sunday Night: 39 %

Monday: 29 %

Monday Night: 29 %

Tuesday: 40 %

Tuesday Night: 40 %

Wednesday: 63 %

Wednesday Night: 63 %

7 Day and Night - Snowfall Totals Forecast for Letha, 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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