What is the weather in Decatur right now?

Current weather in Decatur is overcast clouds.

Where can I find the hourly weather forecast for Decatur?

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

Is the weather forecast for Decatur updated regularly?

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

Now · 1:45 PM

Decatur Weather & Hourly Forecast

United States · Indiana · 46733

80°F

Overcast

Feels like: 80°F

💧 Humidity 77% 🌡 Pressure 30.03 inHg 💨 Wind 15 mph 👁 Visibility 6.2 mi ☁ Clouds 95% ☀️ UV index 7.0 · High 🌅 Sunrise 7:05 AM 🌇 Sunset 8:14 PM

Hourly Forecast for Decatur

Today

2:00 PM

Overcast

80° 💧 None 💨 15 mph H 77%30.03 inHg

5:00 PM

Overcast

84° 💧 None 💨 12 mph H 76%30.00 inHg

8:00 PM

Mostly cloudy

80° 💧 None 💨 7 mph H 88%29.94 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 9 mph H 87%29.97 inHg

Tomorrow

2:00 AM

Light rain

76° 💧 0.04 in 💨 10 mph H 76%29.94 inHg

5:00 AM

Light rain

74° 💧 0.05 in 💨 8 mph H 94%29.97 inHg

8:00 AM

Light rain

75° 💧 0.02 in 💨 11 mph H 93%30.00 inHg

11:00 AM

Overcast

83° 💧 None 💨 12 mph H 78%30.00 inHg

2:00 PM

Overcast

86° 💧 None 💨 9 mph H 70%30.00 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 74%29.94 inHg

8:00 PM

Mostly cloudy

83° 💧 None 💨 4 mph H 87%29.97 inHg

11:00 PM

Overcast night

79° 💧 None 💨 7 mph H 88%29.97 inHg

Wednesday

2:00 AM

Overcast night

78° 💧 None 💨 8 mph H 87%29.97 inHg

5:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 78%29.97 inHg

8:00 AM

Sunny

72° 💧 None 💨 9 mph H 82%29.97 inHg

11:00 AM

Sunny

82° 💧 None 💨 12 mph H 74%30.00 inHg

Today

2:00 PM

Overcast

80° 💧 None 💨 15 mph H 77%30.03 inHg

3:00 PM

Overcast

81° 💧 None 💨 13 mph H 76%30.03 inHg

4:00 PM

Overcast

83° 💧 None 💨 12 mph H 76%30.03 inHg

5:00 PM

Overcast

84° 💧 None 💨 12 mph H 76%30.00 inHg

6:00 PM

Overcast

85° 💧 None 💨 11 mph H 77%29.97 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 9 mph H 81%29.94 inHg

8:00 PM

Mostly cloudy

80° 💧 None 💨 7 mph H 88%29.94 inHg

9:00 PM

Partly cloudy night

78° 💧 None 💨 7 mph H 90%29.97 inHg

10:00 PM

Partly cloudy night

77° 💧 None 💨 8 mph H 89%29.97 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 9 mph H 87%29.97 inHg

Tomorrow

12:00 AM

Partly cloudy night

76° 💧 None 💨 9 mph H 83%29.94 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 10 mph H 80%29.94 inHg

2:00 AM

Light rain

76° 💧 0.00 in 💨 10 mph H 76%29.94 inHg

3:00 AM

Light rain

75° 💧 0.02 in 💨 9 mph H 89%29.97 inHg

4:00 AM

Light rain

74° 💧 0.02 in 💨 8 mph H 93%29.97 inHg

5:00 AM

Light rain

74° 💧 0.02 in 💨 8 mph H 94%29.97 inHg

6:00 AM

Light rain

73° 💧 0.02 in 💨 9 mph H 94%29.97 inHg

7:00 AM

Light rain

72° 💧 0.02 in 💨 9 mph H 94%30.00 inHg

8:00 AM

Light rain

75° 💧 0.02 in 💨 11 mph H 93%30.00 inHg

9:00 AM

Overcast

77° 💧 None 💨 12 mph H 89%30.00 inHg

10:00 AM

Overcast

80° 💧 None 💨 12 mph H 86%30.00 inHg

11:00 AM

Overcast

83° 💧 None 💨 12 mph H 78%30.00 inHg

12:00 PM

Overcast

85° 💧 None 💨 12 mph H 74%30.00 inHg

1:00 PM

Overcast

86° 💧 None 💨 9 mph H 76%30.00 inHg

2:00 PM

Overcast

86° 💧 None 💨 9 mph H 70%30.00 inHg

3:00 PM

Mostly cloudy

87° 💧 None 💨 7 mph H 65%29.97 inHg

4:00 PM

Mostly cloudy

89° 💧 None 💨 9 mph H 68%29.94 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 74%29.94 inHg

6:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 77%29.94 inHg

7:00 PM

Mostly cloudy

87° 💧 None 💨 6 mph H 83%29.97 inHg

8:00 PM

Mostly cloudy

83° 💧 None 💨 4 mph H 87%29.97 inHg

9:00 PM

Overcast night

81° 💧 None 💨 4 mph H 89%29.97 inHg

10:00 PM

Overcast night

79° 💧 None 💨 6 mph H 89%29.97 inHg

11:00 PM

Overcast night

79° 💧 None 💨 7 mph H 88%29.97 inHg

Wednesday

12:00 AM

Overcast night

78° 💧 None 💨 8 mph H 87%29.94 inHg

1:00 AM

Overcast night

78° 💧 None 💨 8 mph H 87%29.97 inHg

2:00 AM

Overcast night

78° 💧 None 💨 8 mph H 87%29.97 inHg

3:00 AM

Partly cloudy night

74° 💧 None 💨 8 mph H 84%29.97 inHg

4:00 AM

Mostly clear night

74° 💧 None 💨 8 mph H 81%29.97 inHg

5:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 78%29.97 inHg

6:00 AM

Clear night

72° 💧 None 💨 8 mph H 78%29.97 inHg

7:00 AM

Clear night

72° 💧 None 💨 8 mph H 77%29.97 inHg

8:00 AM

Sunny

72° 💧 None 💨 9 mph H 82%29.97 inHg

9:00 AM

Sunny

75° 💧 None 💨 10 mph H 81%30.00 inHg

10:00 AM

Sunny

79° 💧 None 💨 11 mph H 78%30.00 inHg

11:00 AM

Sunny

82° 💧 None 💨 12 mph H 74%30.00 inHg

12:00 PM

Sunny

84° 💧 None 💨 13 mph H 70%29.97 inHg

1:00 PM

Sunny

86° 💧 None 💨 13 mph H 69%29.97 inHg

2:00 PM

Sunny

88° 💧 None 💨 14 mph H 68%29.94 inHg

3:00 PM

Sunny

89° 💧 None 💨 13 mph H 70%29.94 inHg

4:00 PM

Sunny

89° 💧 None 💨 13 mph H 71%29.91 inHg

5:00 PM

Sunny

88° 💧 None 💨 13 mph H 72%29.91 inHg

6:00 PM

Sunny

87° 💧 None 💨 11 mph H 75%29.91 inHg

7:00 PM

Sunny

85° 💧 None 💨 9 mph H 82%29.91 inHg

8:00 PM

Sunny

81° 💧 None 💨 8 mph H 87%29.91 inHg

9:00 PM

Clear night

80° 💧 None 💨 9 mph H 87%29.91 inHg

10:00 PM

Clear night

79° 💧 None 💨 10 mph H 82%29.91 inHg

11:00 PM

Clear night

79° 💧 None 💨 10 mph H 75%29.91 inHg

Thursday

12:00 AM

Clear night

79° 💧 None 💨 10 mph H 70%29.91 inHg

1:00 AM

Mostly clear night

80° 💧 None 💨 12 mph H 65%29.91 inHg

2:00 AM

Mostly clear night

82° 💧 None 💨 13 mph H 60%29.91 inHg

3:00 AM

Clear night

80° 💧 None 💨 11 mph H 60%29.88 inHg

4:00 AM

Clear night

79° 💧 None 💨 11 mph H 62%29.91 inHg

5:00 AM

Clear night

78° 💧 None 💨 11 mph H 64%29.88 inHg

6:00 AM

Clear night

77° 💧 None 💨 10 mph H 66%29.91 inHg

7:00 AM

Mostly clear night

74° 💧 None 💨 8 mph H 72%29.91 inHg

8:00 AM

Mostly sunny

73° 💧 None 💨 8 mph H 81%29.94 inHg

9:00 AM

Sunny

76° 💧 None 💨 8 mph H 82%29.94 inHg

10:00 AM

Sunny

80° 💧 None 💨 9 mph H 76%29.94 inHg

11:00 AM

Sunny

83° 💧 None 💨 10 mph H 70%29.94 inHg

12:00 PM

Sunny

85° 💧 None 💨 11 mph H 66%29.94 inHg

1:00 PM

Sunny

87° 💧 None 💨 11 mph H 64%29.94 inHg

2:00 PM

Sunny

88° 💧 None 💨 11 mph H 62%29.91 inHg

3:00 PM

Sunny

89° 💧 None 💨 11 mph H 63%29.91 inHg

4:00 PM

Sunny

89° 💧 None 💨 10 mph H 67%29.91 inHg

5:00 PM

Sunny

88° 💧 None 💨 10 mph H 71%29.88 inHg

6:00 PM

Sunny

87° 💧 None 💨 10 mph H 74%29.91 inHg

7:00 PM

Sunny

85° 💧 None 💨 8 mph H 81%29.91 inHg

8:00 PM

Sunny

81° 💧 None 💨 7 mph H 86%29.91 inHg

9:00 PM

Clear night

79° 💧 None 💨 7 mph H 87%29.91 inHg

10:00 PM

Clear night

78° 💧 None 💨 7 mph H 88%29.91 inHg

11:00 PM

Clear night

78° 💧 None 💨 5 mph H 85%29.91 inHg

Friday

12:00 AM

Clear night

77° 💧 None 💨 7 mph H 85%29.91 inHg

1:00 AM

Clear night

76° 💧 None 💨 7 mph H 88%29.94 inHg

2:00 AM

Clear night

75° 💧 None 💨 4 mph H 87%29.94 inHg

3:00 AM

Clear night

75° 💧 None 💨 4 mph H 86%29.94 inHg

4:00 AM

Partly cloudy night

76° 💧 None 💨 3 mph H 82%29.91 inHg

5:00 AM

Mostly clear night

74° 💧 None 💨 3 mph H 85%29.94 inHg

6:00 AM

Partly cloudy night

75° 💧 None 💨 7 mph H 82%29.91 inHg

7:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 83%29.94 inHg

8:00 AM

Partly cloudy

75° 💧 None 💨 3 mph H 84%29.97 inHg

9:00 AM

Partly cloudy

78° 💧 None 💨 5 mph H 80%29.97 inHg

10:00 AM

Mostly sunny

81° 💧 None 💨 3 mph H 72%29.97 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 6 mph H 70%29.97 inHg

12:00 PM

Partly cloudy

84° 💧 None 💨 9 mph H 70%30.00 inHg

1:00 PM

Mostly cloudy

85° 💧 None 💨 9 mph H 71%30.00 inHg

In Decatur and, more broadly, across the state of Indiana: The rest of the day will feature a mix of sun and clouds, with temperatures remaining warm, ranging from 77 to 87 degrees Fahrenheit. Moderate southwest winds will continue, reaching up to 12 mph, with gusts possible up to 25 mph. No rain is expected, so outdoor plans should be comfortable. Keep in mind that the breeze may make it feel slightly cooler at times, especially in the shade or if you're active outdoors. Overall, it looks like a pleasant afternoon with plenty of sunshine and comfortable conditions.

15-Day Weather Outlook for Decatur

TomorrowTomorrow

Light rain 89°/72° 💧 0.10 in 💨 12 mph

Wednesday, Sep 2Wed Sep 2

Sunny 89°/72° 💧 None 💨 14 mph

Thursday, Sep 3Thu Sep 3

Sunny 88°/73° 💧 None 💨 13 mph

Friday, Sep 4Fri Sep 4

Light rain 86°/72° 💧 0.08 in 💨 8 mph

Saturday, Sep 5Sat Sep 5

Light rain 81°/64° 💧 0.04 in 💨 8 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 76°/59° 💧 None 💨 11 mph

Monday, Sep 7Mon Sep 7

Overcast 78°/57° 💧 None 💨 8 mph

Tuesday, Sep 8Tue Sep 8

Light rain 74°/62° 💧 0.11 in 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Light rain 76°/63° 💧 0.08 in 💨 14 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 77°/61° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 82°/64° 💧 None 💨 10 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 82°/66° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Sunny 84°/66° 💧 None 💨 11 mph

Monday, Sep 14Mon Sep 14

Light rain 78°/59° 💧 0.06 in 💨 19 mph

Tuesday, Sep 15Tue Sep 15

Overcast 66°/54° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Decatur

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Decatur

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 2:00 PM

PM2.5 Fine particles Fair 17,1µg/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 17,8µg/m³

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

O₃ Ozone Moderate 115,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Decatur

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 7,1High 😐Moderate

Tomorrow UV 8,1Very high 😐Moderate

Wednesday UV 7,9High 😐Moderate

Thursday UV 8,3Very high 😐Moderate

Friday UV 7,0High 😊Good

Saturday UV 6,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 7,1 3:00 PMUV 6,7 4:00 PMUV 5,0 5:00 PMUV 3,0 6:00 PMUV 1,3 7:00 PMUV 0,2

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Decatur

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.10 Population: 9,811

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Forecast data for Decatur were last refreshed today at 1:45 PM. The current forecast period extends through 02/09/2026 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.