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Current weather in Letha is clear sky.

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Is the weather forecast for Letha updated regularly?

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

Now · 4:19 PM

Letha Weather & Hourly Forecast

United States · Idaho · 83636

79°F

Sunny

Feels like: 76°F

💧 Humidity 27% 🌡 Pressure 29.83 inHg 💨 Wind 2 mph 👁 Visibility 26.7 mi ☁ Clouds 0% ☀️ UV index 3.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Letha

Today

5:00 PM

Sunny

79° 💧 None 💨 1 mph H 27%29.80 inHg

8:00 PM

Sunny

73° 💧 None 💨 3 mph H 35%29.77 inHg

11:00 PM

Clear night

67° 💧 None 💨 5 mph H 38%29.80 inHg

Tomorrow

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 52%29.80 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 59%29.80 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 4 mph H 57%29.85 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 5 mph H 26%29.83 inHg

2:00 PM

Overcast

83° 💧 None 💨 4 mph H 21%29.77 inHg

5:00 PM

Mostly cloudy

85° 💧 None 💨 5 mph H 18%29.65 inHg

8:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 22%29.56 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 10 mph H 23%29.53 inHg

Sunday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 11 mph H 45%29.65 inHg

5:00 AM

Clear night

60° 💧 0.001 in 💨 7 mph H 54%29.83 inHg

8:00 AM

Sunny

56° 💧 None 💨 11 mph H 54%29.94 inHg

11:00 AM

Sunny

62° 💧 None 💨 10 mph H 37%29.97 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 10 mph H 24%29.94 inHg

Today

5:00 PM

Sunny

79° 💧 None 💨 1 mph H 27%29.80 inHg

6:00 PM

Sunny

79° 💧 None 💨 4 mph H 27%29.77 inHg

7:00 PM

Sunny

77° 💧 None 💨 6 mph H 28%29.77 inHg

8:00 PM

Sunny

73° 💧 None 💨 3 mph H 35%29.77 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 34%29.77 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 6 mph H 34%29.80 inHg

11:00 PM

Clear night

67° 💧 None 💨 5 mph H 38%29.80 inHg

Tomorrow

12:00 AM

Clear night

66° 💧 None 💨 7 mph H 42%29.80 inHg

1:00 AM

Clear night

63° 💧 None 💨 6 mph H 47%29.80 inHg

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 52%29.80 inHg

3:00 AM

Clear night

59° 💧 None 💨 4 mph H 56%29.80 inHg

4:00 AM

Clear night

58° 💧 None 💨 5 mph H 58%29.80 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 59%29.80 inHg

6:00 AM

Clear night

56° 💧 None 💨 6 mph H 58%29.80 inHg

7:00 AM

Mostly clear night

55° 💧 None 💨 4 mph H 59%29.83 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 4 mph H 57%29.85 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 5 mph H 46%29.85 inHg

10:00 AM

Sunny

69° 💧 None 💨 4 mph H 33%29.85 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 5 mph H 26%29.83 inHg

12:00 PM

Mostly cloudy

78° 💧 None 💨 6 mph H 25%29.83 inHg

1:00 PM

Overcast

81° 💧 None 💨 6 mph H 24%29.80 inHg

2:00 PM

Overcast

83° 💧 None 💨 4 mph H 21%29.77 inHg

3:00 PM

Mostly cloudy

84° 💧 None 💨 2 mph H 19%29.74 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 3 mph H 19%29.68 inHg

5:00 PM

Mostly cloudy

85° 💧 None 💨 5 mph H 18%29.65 inHg

6:00 PM

Mostly cloudy

85° 💧 None 💨 7 mph H 18%29.62 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 7 mph H 18%29.59 inHg

8:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 22%29.56 inHg

9:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 25%29.53 inHg

10:00 PM

Partly cloudy night

76° 💧 None 💨 6 mph H 25%29.53 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 10 mph H 23%29.53 inHg

Sunday

12:00 AM

Partly cloudy night

71° 💧 None 💨 12 mph H 30%29.56 inHg

1:00 AM

Partly cloudy night

69° 💧 None 💨 10 mph H 39%29.59 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 11 mph H 45%29.65 inHg

3:00 AM

Clear night

65° 💧 None 💨 13 mph H 53%29.74 inHg

4:00 AM

Clear night

62° 💧 None 💨 11 mph H 60%29.77 inHg

5:00 AM

Clear night

60° 💧 None 💨 7 mph H 54%29.83 inHg

6:00 AM

Mostly clear night

58° 💧 0.001 in 💨 9 mph H 48%29.85 inHg

7:00 AM

Clear night

57° 💧 None 💨 11 mph H 46%29.88 inHg

8:00 AM

Sunny

56° 💧 None 💨 11 mph H 54%29.94 inHg

9:00 AM

Sunny

57° 💧 None 💨 12 mph H 51%29.97 inHg

10:00 AM

Sunny

59° 💧 None 💨 12 mph H 43%29.97 inHg

11:00 AM

Sunny

62° 💧 None 💨 10 mph H 37%29.97 inHg

12:00 PM

Sunny

64° 💧 None 💨 8 mph H 31%29.97 inHg

1:00 PM

Sunny

66° 💧 None 💨 8 mph H 27%29.97 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 10 mph H 24%29.94 inHg

3:00 PM

Overcast

68° 💧 None 💨 11 mph H 21%29.94 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 12 mph H 20%29.94 inHg

5:00 PM

Mostly cloudy

69° 💧 None 💨 13 mph H 19%29.91 inHg

6:00 PM

Partly cloudy

68° 💧 None 💨 13 mph H 19%29.91 inHg

7:00 PM

Partly cloudy

67° 💧 None 💨 11 mph H 19%29.91 inHg

8:00 PM

Mostly sunny

64° 💧 None 💨 6 mph H 22%29.94 inHg

9:00 PM

Mostly clear night

63° 💧 None 💨 8 mph H 25%29.94 inHg

10:00 PM

Mostly cloudy night

62° 💧 None 💨 10 mph H 31%29.97 inHg

11:00 PM

Mostly clear night

60° 💧 None 💨 9 mph H 36%30.00 inHg

Monday

12:00 AM

Clear night

58° 💧 None 💨 11 mph H 42%30.00 inHg

1:00 AM

Clear night

56° 💧 None 💨 8 mph H 51%30.03 inHg

2:00 AM

Clear night

54° 💧 None 💨 7 mph H 56%30.06 inHg

3:00 AM

Clear night

53° 💧 None 💨 6 mph H 59%30.06 inHg

4:00 AM

Mostly clear night

52° 💧 None 💨 5 mph H 62%30.06 inHg

5:00 AM

Mostly clear night

51° 💧 None 💨 3 mph H 66%30.09 inHg

6:00 AM

Mostly clear night

51° 💧 None 💨 1 mph H 67%30.09 inHg

9:00 AM

Sunny

54° 💧 None 💨 2 mph H 59%30.12 inHg

12:00 PM

Sunny

63° 💧 None 💨 2 mph H 43%30.12 inHg

3:00 PM

Sunny

70° 💧 None 💨 3 mph H 30%30.03 inHg

6:00 PM

Sunny

71° 💧 None 💨 4 mph H 24%29.94 inHg

9:00 PM

Clear night

65° 💧 None 💨 1 mph H 32%29.94 inHg

Tuesday

12:00 AM

Clear night

58° 💧 None 💨 2 mph H 41%29.94 inHg

3:00 AM

Clear night

55° 💧 None 💨 2 mph H 50%29.94 inHg

6:00 AM

Clear night

51° 💧 None 💨 2 mph H 59%29.97 inHg

9:00 AM

Partly cloudy

56° 💧 None 💨 2 mph H 52%30.00 inHg

12:00 PM

Mostly sunny

70° 💧 None 💨 1 mph H 28%29.97 inHg

3:00 PM

Mostly sunny

77° 💧 None 💨 2 mph H 20%29.88 inHg

6:00 PM

Partly cloudy

77° 💧 None 💨 4 mph H 15%29.85 inHg

9:00 PM

Partly cloudy night

68° 💧 None 💨 2 mph H 20%29.88 inHg

Wednesday

12:00 AM

Partly cloudy night

63° 💧 None 💨 5 mph H 31%29.91 inHg

3:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 40%29.94 inHg

6:00 AM

Clear night

52° 💧 None 💨 2 mph H 54%29.97 inHg

9:00 AM

Sunny

58° 💧 None 💨 2 mph H 49%30.03 inHg

12:00 PM

Partly cloudy

72° 💧 None 💨 1 mph H 29%30.03 inHg

3:00 PM

Partly cloudy

83° 💧 None 💨 2 mph H 16%29.94 inHg

6:00 PM

Mostly cloudy

86° 💧 None 💨 6 mph H 12%29.85 inHg

9:00 PM

Mostly clear night

75° 💧 None 💨 2 mph H 16%29.85 inHg

Thursday

12:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 26%29.85 inHg

3:00 AM

Partly cloudy night

62° 💧 None 💨 3 mph H 41%29.88 inHg

6:00 AM

Partly cloudy night

60° 💧 None 💨 1 mph H 45%29.91 inHg

12:00 PM

Mostly cloudy

77° 💧 None 💨 3 mph H 29%29.94 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 2 mph H 19%29.83 inHg

Friday

12:00 AM

Clear night

69° 💧 None 💨 6 mph H 44%29.91 inHg

6:00 AM

Mostly clear night

60° 💧 None 💨 4 mph H 65%29.97 inHg

12:00 PM

Sunny

77° 💧 None 💨 5 mph H 34%30.00 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 4 mph H 20%29.88 inHg

Saturday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 43%29.97 inHg

6:00 AM

Clear night

59° 💧 None 💨 2 mph H 59%30.00 inHg

12:00 PM

Sunny

75° 💧 None 💨 4 mph H 31%30.00 inHg

6:00 PM

Partly cloudy

83° 💧 None 💨 9 mph H 11%29.88 inHg

Sunday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 28%29.94 inHg

6:00 AM

Clear night

57° 💧 None 💨 4 mph H 50%30.00 inHg

12:00 PM

Mostly sunny

74° 💧 None 💨 3 mph H 26%30.06 inHg

6:00 PM

Sunny

84° 💧 None 💨 1 mph H 10%29.91 inHg

Monday

12:00 AM

Clear night

66° 💧 None 💨 4 mph H 21%29.91 inHg

6:00 AM

Clear night

58° 💧 None 💨 1 mph H 35%29.94 inHg

12:00 PM

Sunny

78° 💧 None 💨 1 mph H 16%29.91 inHg

6:00 PM

Sunny

89° 💧 None 💨 3 mph H 8%29.71 inHg

Tuesday

12:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 16%29.68 inHg

6:00 AM

Partly cloudy night

62° 💧 None 💨 0 mph H 26%29.71 inHg

12:00 PM

Mostly cloudy

78° 💧 None 💨 6 mph H 13%29.77 inHg

6:00 PM

Sunny

86° 💧 None 💨 1 mph H 11%29.65 inHg

Wednesday

12:00 AM

Partly cloudy night

69° 💧 None 💨 9 mph H 39%29.77 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 6 mph H 49%29.83 inHg

12:00 PM

Mostly sunny

74° 💧 None 💨 1 mph H 32%29.88 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 2 mph H 16%29.80 inHg

Thursday

12:00 AM

Overcast night

70° 💧 None 💨 4 mph H 31%29.85 inHg

6:00 AM

Overcast night

65° 💧 None 💨 3 mph H 38%29.94 inHg

12:00 PM

Overcast

73° 💧 None 💨 2 mph H 39%30.00 inHg

6:00 PM

Mostly sunny

85° 💧 None 💨 1 mph H 22%29.85 inHg

Friday

12:00 AM

Mostly cloudy night

69° 💧 None 💨 8 mph H 61%29.85 inHg

6:00 AM

Partly cloudy night

63° 💧 None 💨 2 mph H 78%29.88 inHg

12:00 PM

Mostly sunny

73° 💧 None 💨 5 mph H 52%29.94 inHg

6:00 PM

Light rain

75° 💧 None 💨 5 mph H 42%29.91 inHg

Saturday

12:00 AM

Mostly clear night

61° 💧 None 💨 4 mph H 82%30.03 inHg

6:00 AM

Clear night

57° 💧 None 💨 1 mph H 87%30.09 inHg

In Letha 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 Letha

TomorrowTomorrow

Mostly sunny 85°/55° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 85°/56° 💧 None 💨 13 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 70°/51° 💧 0.004 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 77°/51° 💧 None 💨 4 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 83°/52° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 86°/60° 💧 0.002 in 💨 6 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 85°/60° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 84°/59° 💧 0.002 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 83°/57° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Sunny 84°/58° 💧 None 💨 4 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 89°/62° 💧 None 💨 6 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 86°/61° 💧 None 💨 9 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 84°/65° 💧 0.023 in 💨 4 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 85°/63° 💧 0.047 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Light rain 75°/57° 💧 0.040 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Letha

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Letha

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 1,1µg/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 1,8µg/m³

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

O₃ Ozone Fair 93,8µg/m³

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

NO₂ Nitrogen dioxide Good 0,2µg/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 Letha

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 6,1High 🙂Fair

Tomorrow UV 5,6Moderate 🙂Fair

Sunday UV 3,6Moderate 🙂Fair

Monday UV 5,8Moderate 🙂Fair

Tuesday UV 6,0High 🙂Fair

Wednesday UV 6,0High —Unavailable

Thursday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 2,3 6:00 PMUV 1,0 7:00 PMUV 0,3

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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. 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 Letha

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LETHA, IDAHO

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:43 PM–5:43 AM

☁ Cloud cover 0% 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 84° 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 min81%

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

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Forecast data for Letha were last refreshed today at 4:19 PM. The current forecast period extends through 13/09/2026 at 2:00 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.