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Current weather in Letts is broken clouds.

Where can I find the hourly weather forecast for Letts?

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

Is the weather forecast for Letts updated regularly?

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

Now · 1:27 PM

Letts Weather & Hourly Forecast

United States · Indiana

79°F

Mostly cloudy

Feels like: 76°F

💧 Humidity 54% 🌡 Pressure 30.00 inHg 💨 Wind 10 mph 👁 Visibility 21.4 mi ☁ Clouds 79% ☀️ UV index 7.5 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Letts

Today

2:00 PM

Mostly cloudy

80° 💧 None 💨 10 mph H 51%29.97 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 49%29.97 inHg

8:00 PM

Sunny

73° 💧 None 💨 8 mph H 64%29.97 inHg

11:00 PM

Clear night

68° 💧 None 💨 7 mph H 73%30.03 inHg

Tomorrow

2:00 AM

Clear night

65° 💧 None 💨 9 mph H 84%30.06 inHg

5:00 AM

Clear night

63° 💧 None 💨 8 mph H 90%30.06 inHg

8:00 AM

Sunny

62° 💧 None 💨 9 mph H 89%30.12 inHg

11:00 AM

Sunny

72° 💧 None 💨 9 mph H 65%30.12 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 51%30.09 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 8 mph H 49%30.03 inHg

8:00 PM

Sunny

76° 💧 None 💨 6 mph H 64%30.06 inHg

11:00 PM

Clear night

72° 💧 None 💨 9 mph H 70%30.09 inHg

Tuesday

2:00 AM

Clear night

71° 💧 None 💨 9 mph H 74%30.12 inHg

5:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 78%30.09 inHg

8:00 AM

Sunny

68° 💧 None 💨 7 mph H 85%30.12 inHg

11:00 AM

Mostly sunny

79° 💧 None 💨 7 mph H 69%30.15 inHg

Today

2:00 PM

Mostly cloudy

80° 💧 None 💨 10 mph H 51%29.97 inHg

3:00 PM

Partly cloudy

81° 💧 None 💨 10 mph H 49%29.97 inHg

4:00 PM

Mostly sunny

81° 💧 None 💨 10 mph H 48%29.97 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 49%29.97 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 11 mph H 52%29.97 inHg

7:00 PM

Sunny

77° 💧 None 💨 9 mph H 58%29.97 inHg

8:00 PM

Sunny

73° 💧 None 💨 8 mph H 64%29.97 inHg

9:00 PM

Clear night

71° 💧 None 💨 8 mph H 68%30.00 inHg

10:00 PM

Clear night

69° 💧 None 💨 7 mph H 71%30.03 inHg

11:00 PM

Clear night

68° 💧 None 💨 7 mph H 73%30.03 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 9 mph H 74%30.06 inHg

1:00 AM

Clear night

67° 💧 None 💨 9 mph H 79%30.06 inHg

2:00 AM

Clear night

65° 💧 None 💨 9 mph H 84%30.06 inHg

3:00 AM

Clear night

64° 💧 None 💨 8 mph H 86%30.06 inHg

4:00 AM

Clear night

63° 💧 None 💨 8 mph H 88%30.06 inHg

5:00 AM

Clear night

63° 💧 None 💨 8 mph H 90%30.06 inHg

6:00 AM

Clear night

62° 💧 None 💨 8 mph H 90%30.06 inHg

7:00 AM

Clear night

62° 💧 None 💨 8 mph H 91%30.09 inHg

8:00 AM

Sunny

62° 💧 None 💨 9 mph H 89%30.12 inHg

9:00 AM

Sunny

65° 💧 None 💨 9 mph H 81%30.12 inHg

10:00 AM

Sunny

69° 💧 None 💨 9 mph H 73%30.12 inHg

11:00 AM

Sunny

72° 💧 None 💨 9 mph H 65%30.12 inHg

12:00 PM

Sunny

76° 💧 None 💨 9 mph H 59%30.12 inHg

1:00 PM

Sunny

78° 💧 None 💨 11 mph H 53%30.09 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 51%30.09 inHg

3:00 PM

Sunny

81° 💧 None 💨 10 mph H 49%30.06 inHg

4:00 PM

Sunny

81° 💧 None 💨 9 mph H 48%30.06 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 8 mph H 49%30.03 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 49%30.03 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 57%30.03 inHg

8:00 PM

Sunny

76° 💧 None 💨 6 mph H 64%30.06 inHg

9:00 PM

Clear night

74° 💧 None 💨 10 mph H 67%30.06 inHg

10:00 PM

Clear night

73° 💧 None 💨 10 mph H 68%30.09 inHg

11:00 PM

Clear night

72° 💧 None 💨 9 mph H 70%30.09 inHg

Tuesday

12:00 AM

Mostly clear night

72° 💧 None 💨 10 mph H 72%30.09 inHg

1:00 AM

Clear night

71° 💧 None 💨 9 mph H 72%30.09 inHg

2:00 AM

Clear night

71° 💧 None 💨 9 mph H 74%30.12 inHg

3:00 AM

Mostly clear night

70° 💧 None 💨 8 mph H 75%30.09 inHg

4:00 AM

Clear night

69° 💧 None 💨 8 mph H 76%30.09 inHg

5:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 78%30.09 inHg

6:00 AM

Mostly cloudy night

68° 💧 None 💨 7 mph H 81%30.12 inHg

7:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 84%30.12 inHg

8:00 AM

Sunny

68° 💧 None 💨 7 mph H 85%30.12 inHg

9:00 AM

Sunny

72° 💧 None 💨 6 mph H 80%30.15 inHg

10:00 AM

Mostly sunny

76° 💧 None 💨 6 mph H 74%30.15 inHg

11:00 AM

Mostly sunny

79° 💧 None 💨 7 mph H 69%30.15 inHg

12:00 PM

Partly cloudy

82° 💧 None 💨 6 mph H 65%30.15 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 5 mph H 59%30.15 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 51%30.12 inHg

3:00 PM

Mostly sunny

88° 💧 None 💨 5 mph H 47%30.09 inHg

4:00 PM

Mostly sunny

89° 💧 None 💨 5 mph H 45%30.09 inHg

5:00 PM

Partly cloudy

89° 💧 None 💨 5 mph H 44%30.06 inHg

6:00 PM

Mostly cloudy

89° 💧 None 💨 4 mph H 44%30.06 inHg

7:00 PM

Mostly cloudy

87° 💧 None 💨 2 mph H 53%30.06 inHg

8:00 PM

Overcast

83° 💧 None 💨 2 mph H 56%30.06 inHg

Wednesday

5:00 AM

Clear night

75° 💧 None 💨 7 mph H 75%30.12 inHg

8:00 AM

Mostly sunny

75° 💧 None 💨 10 mph H 76%30.12 inHg

11:00 AM

Sunny

84° 💧 None 💨 13 mph H 60%30.12 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 14 mph H 41%30.06 inHg

5:00 PM

Sunny

93° 💧 None 💨 10 mph H 34%29.97 inHg

8:00 PM

Sunny

86° 💧 None 💨 6 mph H 45%29.94 inHg

11:00 PM

Clear night

82° 💧 None 💨 8 mph H 48%29.94 inHg

Thursday

2:00 AM

Mostly clear night

77° 💧 None 💨 4 mph H 58%29.97 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 87%29.97 inHg

8:00 AM

Heavy rain

71° 💧 None 💨 2 mph H 95%29.97 inHg

11:00 AM

Partly cloudy

79° 💧 None 💨 5 mph H 74%29.91 inHg

2:00 PM

Moderate rain

75° 💧 None 💨 8 mph H 88%29.91 inHg

5:00 PM

Overcast

73° 💧 None 💨 9 mph H 90%29.85 inHg

8:00 PM

Overcast night

72° 💧 None 💨 5 mph H 84%29.88 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 4 mph H 94%29.91 inHg

Friday

2:00 AM

Clear night

65° 💧 None 💨 4 mph H 92%29.91 inHg

5:00 AM

Clear night

61° 💧 None 💨 4 mph H 95%29.94 inHg

8:00 AM

Sunny

60° 💧 None 💨 5 mph H 95%29.94 inHg

11:00 AM

Sunny

73° 💧 None 💨 4 mph H 68%29.97 inHg

2:00 PM

Mostly sunny

78° 💧 None 💨 4 mph H 51%29.94 inHg

5:00 PM

Sunny

79° 💧 None 💨 3 mph H 49%29.88 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 67%29.85 inHg

11:00 PM

Clear night

68° 💧 None 💨 8 mph H 66%29.88 inHg

Saturday

2:00 AM

Clear night

66° 💧 None 💨 7 mph H 77%29.88 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 85%29.88 inHg

2:00 PM

Overcast

68° 💧 None 💨 6 mph H 84%29.88 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 7 mph H 74%29.91 inHg

Sunday

2:00 AM

Mostly clear night

79° 💧 None 💨 5 mph H 83%29.88 inHg

8:00 AM

Sunny

73° 💧 None 💨 5 mph H 92%29.97 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 5 mph H 95%30.00 inHg

8:00 PM

Mostly clear night

90° 💧 None 💨 9 mph H 59%30.00 inHg

Monday

2:00 AM

Mostly clear night

84° 💧 None 💨 4 mph H 71%29.94 inHg

8:00 AM

Sunny

78° 💧 None 💨 6 mph H 74%30.00 inHg

2:00 PM

Sunny

77° 💧 None 💨 8 mph H 80%30.06 inHg

8:00 PM

Clear night

91° 💧 None 💨 10 mph H 55%30.00 inHg

Tuesday

2:00 AM

Mostly clear night

83° 💧 None 💨 6 mph H 70%29.94 inHg

8:00 AM

Sunny

78° 💧 None 💨 6 mph H 79%29.97 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 83%30.00 inHg

8:00 PM

Moderate rain

80° 💧 None 💨 10 mph H 82%30.03 inHg

Wednesday

2:00 AM

Clear night

74° 💧 None 💨 9 mph H 67%30.06 inHg

8:00 AM

Sunny

63° 💧 None 💨 9 mph H 72%30.15 inHg

2:00 PM

Sunny

57° 💧 None 💨 7 mph H 84%30.21 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 7 mph H 57%30.18 inHg

Thursday

2:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 63%30.15 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 9 mph H 74%30.15 inHg

2:00 PM

Sunny

58° 💧 None 💨 11 mph H 80%30.18 inHg

8:00 PM

Clear night

75° 💧 None 💨 6 mph H 53%30.12 inHg

Friday

2:00 AM

Clear night

69° 💧 None 💨 5 mph H 69%30.03 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 74%30.03 inHg

2:00 PM

Sunny

61° 💧 None 💨 7 mph H 82%29.97 inHg

8:00 PM

Partly cloudy night

85° 💧 None 💨 10 mph H 47%29.91 inHg

Saturday

2:00 AM

Light rain

77° 💧 None 💨 9 mph H 75%29.85 inHg

8:00 AM

Sunny

68° 💧 None 💨 3 mph H 96%29.88 inHg

2:00 PM

Overcast

66° 💧 None 💨 5 mph H 89%29.91 inHg

8:00 PM

Clear night

73° 💧 None 💨 8 mph H 59%29.97 inHg

Sunday

2:00 AM

Clear night

67° 💧 None 💨 7 mph H 53%30.00 inHg

8:00 AM

Overcast

58° 💧 None 💨 8 mph H 53%30.09 inHg

2:00 PM

Sunny

54° 💧 None 💨 4 mph H 73%30.18 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 10 mph H 42%30.18 inHg

Monday

2:00 AM

Clear night

61° 💧 None 💨 8 mph H 43%30.21 inHg

In Letts and, more broadly, across the state of Indiana: Skies will remain clear throughout the afternoon, with temperatures warming to between 66 and 76 degrees Fahrenheit. Moderate northeast winds will continue, reaching up to 11 mph, with gusts up to 21 mph. Conditions are expected to stay dry, making for a pleasant and dry afternoon. No rain is anticipated, and the weather should remain stable as the day progresses. Overall, it looks like a mild and breezy day ahead with comfortable temperatures and clear skies.

15-Day Weather Outlook for Letts

TomorrowTomorrow

Mostly sunny 81°/62° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 89°/68° 💧 None 💨 10 mph

Wednesday, Sep 9Wed Sep 9

Overcast 93°/75° 💧 0.001 in 💨 14 mph

Thursday, Sep 10Thu Sep 10

Heavy rain 86°/71° 💧 0.347 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Overcast 79°/60° 💧 0.001 in 💨 5 mph

Saturday, Sep 12Sat Sep 12

Overcast 72°/66° 💧 0.661 in 💨 8 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 81°/72° 💧 0.008 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 90°/77° 💧 0.004 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 91°/77° 💧 0.008 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 80°/57° 💧 0.136 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 72°/58° 💧 0.001 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Sunny 75°/61° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Light rain 85°/66° 💧 0.029 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Overcast 73°/54° 💧 0.017 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 68°/61° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Letts

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Letts

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,6µg/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 8,1µg/m³

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

O₃ Ozone Fair 86,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 Letts

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 7,7High 🙂Fair

Tomorrow UV 7,3High 😐Moderate

Tuesday UV 7,0High 😐Moderate

Wednesday UV 7,7High 😐Moderate

Thursday UV 5,0Moderate 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

2:00 PMUV 7,7 3:00 PMUV 6,8 4:00 PMUV 4,9 5:00 PMUV 2,9 6:00 PMUV 1,3 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.

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 Letts

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LETTS, INDIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:38 PM–5:44 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 58° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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 Letts were last refreshed today at 1:27 PM. The current forecast period extends through 08/09/2026 at 11:00 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.