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Current weather in Avon is overcast clouds.

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Now · 2:14 PM

Avon Weather & Hourly Forecast

United States · Illinois · 61415

76°F

Overcast

Feels like: 83°F

💧 Humidity 78% 🌡 Pressure 30.00 inHg 💨 Wind 1 mph 👁 Visibility 18.6 mi ☁ Clouds 100% ☀️ UV index 4.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Avon

Today

3:00 PM

Light rain

77° 💧 0.016 in 💨 1 mph H 76%29.97 inHg

6:00 PM

Mostly cloudy

76° 💧 0.007 in 💨 4 mph H 75%29.94 inHg

9:00 PM

Clear night

69° 💧 None 💨 3 mph H 95%29.97 inHg

Tomorrow

12:00 AM

Clear night

66° 💧 None 💨 3 mph H 99%30.00 inHg

3:00 AM

Clear night

64° 💧 None 💨 3 mph H 98%29.97 inHg

6:00 AM

Overcast night

63° 💧 None 💨 3 mph H 100%29.97 inHg

9:00 AM

Overcast

68° 💧 0.001 in 💨 5 mph H 93%30.00 inHg

12:00 PM

Mostly cloudy

77° 💧 0.000 in 💨 6 mph H 65%29.94 inHg

3:00 PM

Partly cloudy

81° 💧 0.000 in 💨 7 mph H 54%29.91 inHg

6:00 PM

Sunny

79° 💧 None 💨 4 mph H 62%29.85 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 80%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 89%29.85 inHg

3:00 AM

Clear night

67° 💧 None 💨 4 mph H 92%29.85 inHg

6:00 AM

Clear night

66° 💧 None 💨 4 mph H 94%29.85 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 7 mph H 86%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 8 mph H 60%29.88 inHg

Today

3:00 PM

Light rain

77° 💧 0.004 in 💨 1 mph H 76%29.97 inHg

4:00 PM

Light rain

77° 💧 0.009 in 💨 2 mph H 73%29.94 inHg

5:00 PM

Overcast

77° 💧 0.003 in 💨 2 mph H 73%29.94 inHg

6:00 PM

Mostly cloudy

76° 💧 0.001 in 💨 4 mph H 75%29.94 inHg

7:00 PM

Light rain

73° 💧 0.006 in 💨 3 mph H 85%29.94 inHg

8:00 PM

Clear night

71° 💧 0.000 in 💨 2 mph H 91%29.97 inHg

9:00 PM

Clear night

69° 💧 None 💨 3 mph H 95%29.97 inHg

10:00 PM

Clear night

67° 💧 None 💨 3 mph H 97%30.00 inHg

11:00 PM

Clear night

66° 💧 None 💨 3 mph H 98%30.00 inHg

Tomorrow

12:00 AM

Clear night

66° 💧 None 💨 3 mph H 99%30.00 inHg

1:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 98%30.00 inHg

2:00 AM

Clear night

65° 💧 None 💨 3 mph H 98%30.00 inHg

3:00 AM

Clear night

64° 💧 None 💨 3 mph H 98%29.97 inHg

4:00 AM

Clear night

64° 💧 None 💨 3 mph H 99%29.97 inHg

5:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 100%30.00 inHg

6:00 AM

Overcast night

63° 💧 None 💨 3 mph H 100%29.97 inHg

7:00 AM

Mist

65° 💧 None 💨 4 mph H 100%30.00 inHg

8:00 AM

Fog

66° 💧 None 💨 5 mph H 99%30.00 inHg

9:00 AM

Overcast

68° 💧 0.000 in 💨 5 mph H 93%30.00 inHg

10:00 AM

Overcast

71° 💧 0.000 in 💨 5 mph H 84%29.97 inHg

11:00 AM

Mostly cloudy

75° 💧 0.000 in 💨 6 mph H 73%29.97 inHg

12:00 PM

Mostly cloudy

77° 💧 0.000 in 💨 6 mph H 65%29.94 inHg

1:00 PM

Overcast

79° 💧 None 💨 6 mph H 60%29.94 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 6 mph H 57%29.91 inHg

3:00 PM

Partly cloudy

81° 💧 None 💨 7 mph H 54%29.91 inHg

4:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 54%29.88 inHg

5:00 PM

Sunny

80° 💧 0.000 in 💨 6 mph H 55%29.85 inHg

6:00 PM

Sunny

79° 💧 None 💨 4 mph H 62%29.85 inHg

7:00 PM

Sunny

76° 💧 None 💨 2 mph H 74%29.83 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 79%29.85 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 80%29.85 inHg

10:00 PM

Clear night

71° 💧 None 💨 6 mph H 82%29.85 inHg

11:00 PM

Clear night

69° 💧 None 💨 5 mph H 86%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 89%29.85 inHg

1:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 91%29.85 inHg

2:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 91%29.85 inHg

3:00 AM

Clear night

67° 💧 None 💨 4 mph H 92%29.85 inHg

4:00 AM

Clear night

66° 💧 None 💨 4 mph H 93%29.85 inHg

5:00 AM

Clear night

66° 💧 None 💨 4 mph H 94%29.85 inHg

6:00 AM

Clear night

66° 💧 None 💨 4 mph H 94%29.85 inHg

7:00 AM

Sunny

65° 💧 None 💨 3 mph H 95%29.88 inHg

8:00 AM

Sunny

69° 💧 None 💨 5 mph H 91%29.88 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 7 mph H 86%29.88 inHg

10:00 AM

Sunny

77° 💧 None 💨 6 mph H 80%29.88 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 7 mph H 71%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 8 mph H 60%29.88 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 8 mph H 59%29.88 inHg

2:00 PM

Mostly cloudy

86° 💧 None 💨 8 mph H 56%29.85 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 8 mph H 56%29.85 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 8 mph H 58%29.85 inHg

5:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 60%29.85 inHg

6:00 PM

Sunny

83° 💧 None 💨 7 mph H 65%29.88 inHg

7:00 PM

Sunny

79° 💧 None 💨 6 mph H 73%29.88 inHg

8:00 PM

Clear night

77° 💧 None 💨 7 mph H 78%29.91 inHg

9:00 PM

Clear night

75° 💧 None 💨 8 mph H 80%29.94 inHg

10:00 PM

Clear night

73° 💧 None 💨 7 mph H 83%29.97 inHg

11:00 PM

Clear night

72° 💧 None 💨 6 mph H 86%29.97 inHg

Sunday

12:00 AM

Clear night

70° 💧 None 💨 5 mph H 87%29.97 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 86%29.97 inHg

2:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 84%30.00 inHg

3:00 AM

Partly cloudy night

67° 💧 None 💨 6 mph H 81%30.00 inHg

4:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 79%30.00 inHg

5:00 AM

Mostly clear night

64° 💧 None 💨 5 mph H 80%30.03 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 5 mph H 82%30.03 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 5 mph H 83%30.03 inHg

10:00 AM

Mostly sunny

71° 💧 None 💨 6 mph H 64%30.06 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 54%30.03 inHg

4:00 PM

Overcast

80° 💧 None 💨 4 mph H 59%29.97 inHg

7:00 PM

Overcast

76° 💧 None 💨 6 mph H 69%29.94 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 10 mph H 68%30.00 inHg

Monday

1:00 AM

Overcast night

68° 💧 None 💨 11 mph H 70%30.00 inHg

4:00 AM

Overcast night

66° 💧 None 💨 12 mph H 78%30.00 inHg

7:00 AM

Mostly sunny

65° 💧 None 💨 10 mph H 79%30.00 inHg

10:00 AM

Sunny

75° 💧 None 💨 9 mph H 68%30.00 inHg

1:00 PM

Sunny

86° 💧 None 💨 9 mph H 63%29.94 inHg

4:00 PM

Sunny

92° 💧 None 💨 12 mph H 52%29.88 inHg

7:00 PM

Sunny

87° 💧 None 💨 11 mph H 57%29.88 inHg

10:00 PM

Clear night

84° 💧 None 💨 14 mph H 61%29.88 inHg

Tuesday

1:00 AM

Mostly cloudy night

80° 💧 None 💨 11 mph H 69%29.94 inHg

4:00 AM

Clear night

78° 💧 None 💨 9 mph H 69%29.94 inHg

7:00 AM

Sunny

76° 💧 None 💨 7 mph H 74%30.00 inHg

10:00 AM

Overcast

84° 💧 None 💨 7 mph H 61%30.03 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 5 mph H 61%30.03 inHg

4:00 PM

Partly cloudy

81° 💧 None 💨 12 mph H 72%30.03 inHg

7:00 PM

Mostly cloudy

70° 💧 None 💨 13 mph H 65%30.09 inHg

10:00 PM

Overcast night

69° 💧 None 💨 11 mph H 68%30.15 inHg

Wednesday

1:00 AM

Overcast night

65° 💧 None 💨 8 mph H 78%30.18 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 9 mph H 72%30.15 inHg

1:00 PM

Moderate rain

63° 💧 None 💨 8 mph H 87%30.21 inHg

7:00 PM

Light rain

69° 💧 None 💨 7 mph H 89%30.21 inHg

Thursday

1:00 AM

Mostly clear night

72° 💧 None 💨 7 mph H 86%30.12 inHg

7:00 AM

Light rain

68° 💧 None 💨 3 mph H 96%30.09 inHg

1:00 PM

Heavy rain

67° 💧 None 💨 9 mph H 98%30.09 inHg

7:00 PM

Overcast

72° 💧 None 💨 12 mph H 68%30.15 inHg

Friday

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 77%30.21 inHg

7:00 AM

Sunny

59° 💧 None 💨 6 mph H 82%30.24 inHg

1:00 PM

Sunny

54° 💧 None 💨 4 mph H 90%30.30 inHg

7:00 PM

Partly cloudy

71° 💧 None 💨 5 mph H 52%30.27 inHg

Saturday

1:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 72%30.18 inHg

7:00 AM

Sunny

57° 💧 None 💨 2 mph H 89%30.21 inHg

1:00 PM

Sunny

54° 💧 None 💨 3 mph H 94%30.21 inHg

7:00 PM

Mostly cloudy

71° 💧 None 💨 3 mph H 57%30.21 inHg

Sunday

1:00 AM

Mostly clear night

66° 💧 None 💨 2 mph H 74%30.15 inHg

7:00 AM

Sunny

57° 💧 None 💨 4 mph H 85%30.15 inHg

1:00 PM

Sunny

54° 💧 None 💨 4 mph H 91%30.18 inHg

7:00 PM

Sunny

72° 💧 None 💨 8 mph H 56%30.21 inHg

Monday

1:00 AM

Clear night

66° 💧 None 💨 5 mph H 74%30.15 inHg

7:00 AM

Sunny

60° 💧 None 💨 7 mph H 83%30.21 inHg

1:00 PM

Sunny

56° 💧 None 💨 6 mph H 94%30.24 inHg

7:00 PM

Sunny

74° 💧 None 💨 9 mph H 62%30.24 inHg

Tuesday

1:00 AM

Clear night

67° 💧 None 💨 5 mph H 72%30.21 inHg

7:00 AM

Sunny

61° 💧 None 💨 7 mph H 91%30.24 inHg

1:00 PM

Sunny

58° 💧 None 💨 4 mph H 95%30.30 inHg

7:00 PM

Sunny

75° 💧 None 💨 6 mph H 57%30.27 inHg

Wednesday

1:00 AM

Clear night

68° 💧 None 💨 4 mph H 76%30.21 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 89%30.21 inHg

1:00 PM

Partly cloudy

56° 💧 None 💨 4 mph H 96%30.21 inHg

7:00 PM

Clear night

75° 💧 None 💨 7 mph H 56%30.18 inHg

Thursday

1:00 AM

Clear night

70° 💧 None 💨 0 mph H 71%30.12 inHg

7:00 AM

Sunny

62° 💧 None 💨 3 mph H 88%30.12 inHg

1:00 PM

Sunny

60° 💧 None 💨 5 mph H 95%30.15 inHg

7:00 PM

Partly cloudy night

76° 💧 None 💨 5 mph H 63%30.18 inHg

Friday

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 77%30.12 inHg

In Avon and, more broadly, across the state of Illinois: The rest of the day will see mostly cloudy skies with temperatures remaining mild, ranging from 66 to 71 degrees Fahrenheit. There is a high likelihood of rain, with total accumulation around 0.38 inches. Winds will be light, coming from the east at up to 6 mph, with gusts reaching 8 mph. Conditions will be damp and breezy at times, so it’s a good idea to carry an umbrella if you plan to be outdoors. The rain could be steady at times, especially during the afternoon hours. Overall, expect a cooler, moist afternoon with limited sunshine.

15-Day Weather Outlook for Avon

TomorrowTomorrow

Mostly sunny 81°/63° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 86°/65° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Overcast 80°/62° 💧 0.004 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Overcast 92°/65° 💧 None 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 87°/76° 💧 0.058 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 70°/63° 💧 0.190 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Heavy rain 72°/67° 💧 2.515 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 72°/54° 💧 0.181 in 💨 12 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 71°/54° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 71°/54° 💧 None 💨 4 mph

Monday, Sep 21Mon Sep 21

Sunny 72°/56° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Sunny 74°/58° 💧 0.001 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 75°/56° 💧 None 💨 6 mph

Thursday, Sep 24Thu Sep 24

Sunny 75°/60° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 76°/70° 💧 0.001 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Avon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Avon

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 3,1µg/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 3,2µg/m³

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

O₃ Ozone Fair 70,3µg/m³

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

NO₂ Nitrogen dioxide Good 1,4µg/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 Avon

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 4,9Moderate 🙂Fair

Tomorrow UV 6,9High 🙂Fair

Saturday UV 6,7High 🙂Fair

Sunday UV 5,8Moderate 🙂Fair

Monday UV 8,0Very high 🙂Fair

Tuesday UV 6,0High —Unavailable

Wednesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Avon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · AVON, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:53 PM–5:05 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 57° 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 min74%

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 Avon were last refreshed today at 2:14 PM. The current forecast period extends through 12/09/2026 at 12:00 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.