What is the weather in Delavan right now?

Current weather in Delavan is clear sky.

Where can I find the hourly weather forecast for Delavan?

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

Is the weather forecast for Delavan updated regularly?

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

Now · 1:45 AM

Delavan Weather & Hourly Forecast

United States · Illinois · 61734

65°F

Clear night

Feels like: 66°F

💧 Humidity 86% 🌡 Pressure 30.09 inHg 💨 Wind 8 mph 👁 Visibility 6.2 mi ☁ Clouds 1% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:22 AM 🌇 Sunset 7:35 PM

Hourly Forecast for Delavan

Today

2:00 AM

Clear night

65° 💧 None 💨 8 mph H 86%30.09 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 7 mph H 88%30.09 inHg

8:00 AM

Overcast

67° 💧 None 💨 7 mph H 81%30.12 inHg

11:00 AM

Overcast

79° 💧 None 💨 10 mph H 59%30.09 inHg

2:00 PM

Overcast

80° 💧 None 💨 10 mph H 56%30.03 inHg

5:00 PM

Overcast

83° 💧 None 💨 12 mph H 53%29.97 inHg

8:00 PM

Overcast night

75° 💧 None 💨 9 mph H 71%29.97 inHg

11:00 PM

Overcast night

72° 💧 0.01 in 💨 9 mph H 72%29.97 inHg

Tomorrow

2:00 AM

Light rain

69° 💧 0.03 in 💨 8 mph H 78%29.97 inHg

5:00 AM

Light rain

67° 💧 0.01 in 💨 8 mph H 83%29.97 inHg

8:00 AM

Overcast

71° 💧 0.01 in 💨 8 mph H 82%30.00 inHg

11:00 AM

Overcast

83° 💧 None 💨 13 mph H 56%29.97 inHg

2:00 PM

Overcast

91° 💧 None 💨 15 mph H 37%29.91 inHg

5:00 PM

Overcast

84° 💧 None 💨 8 mph H 48%29.88 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 10 mph H 49%29.88 inHg

11:00 PM

Mostly cloudy night

79° 💧 None 💨 11 mph H 45%29.88 inHg

Today

2:00 AM

Clear night

65° 💧 None 💨 8 mph H 86%30.09 inHg

3:00 AM

Clear night

65° 💧 None 💨 6 mph H 86%30.09 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 7 mph H 87%30.09 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 7 mph H 88%30.09 inHg

6:00 AM

Mostly cloudy night

64° 💧 None 💨 7 mph H 87%30.12 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 6 mph H 85%30.12 inHg

8:00 AM

Overcast

67° 💧 None 💨 7 mph H 81%30.12 inHg

9:00 AM

Overcast

71° 💧 None 💨 9 mph H 75%30.12 inHg

10:00 AM

Overcast

75° 💧 None 💨 9 mph H 66%30.12 inHg

11:00 AM

Overcast

79° 💧 None 💨 10 mph H 59%30.09 inHg

12:00 PM

Overcast

80° 💧 None 💨 11 mph H 59%30.09 inHg

1:00 PM

Overcast

80° 💧 None 💨 11 mph H 55%30.06 inHg

2:00 PM

Overcast

80° 💧 None 💨 10 mph H 56%30.03 inHg

3:00 PM

Overcast

81° 💧 None 💨 8 mph H 58%30.00 inHg

4:00 PM

Overcast

83° 💧 None 💨 10 mph H 54%30.00 inHg

5:00 PM

Overcast

83° 💧 None 💨 12 mph H 53%29.97 inHg

6:00 PM

Overcast

81° 💧 None 💨 11 mph H 59%29.97 inHg

7:00 PM

Overcast

78° 💧 None 💨 10 mph H 66%29.94 inHg

8:00 PM

Overcast night

75° 💧 None 💨 9 mph H 71%29.97 inHg

9:00 PM

Overcast night

73° 💧 None 💨 9 mph H 71%29.97 inHg

10:00 PM

Overcast night

73° 💧 None 💨 9 mph H 69%29.97 inHg

11:00 PM

Overcast night

72° 💧 None 💨 9 mph H 72%29.97 inHg

Tomorrow

12:00 AM

Overcast night

71° 💧 None 💨 10 mph H 70%29.97 inHg

1:00 AM

Light rain

69° 💧 0.01 in 💨 10 mph H 76%29.97 inHg

2:00 AM

Light rain

69° 💧 0.01 in 💨 8 mph H 78%29.97 inHg

3:00 AM

Light rain

69° 💧 0.01 in 💨 8 mph H 81%29.97 inHg

4:00 AM

Light rain

68° 💧 0.02 in 💨 7 mph H 86%29.97 inHg

5:00 AM

Light rain

67° 💧 0.01 in 💨 8 mph H 83%29.97 inHg

6:00 AM

Overcast night

67° 💧 None 💨 9 mph H 84%29.97 inHg

7:00 AM

Overcast

68° 💧 None 💨 9 mph H 85%29.97 inHg

8:00 AM

Overcast

71° 💧 None 💨 8 mph H 82%30.00 inHg

9:00 AM

Overcast

76° 💧 None 💨 10 mph H 76%29.97 inHg

10:00 AM

Light rain

79° 💧 0.01 in 💨 11 mph H 69%29.97 inHg

11:00 AM

Overcast

83° 💧 None 💨 13 mph H 56%29.97 inHg

12:00 PM

Overcast

86° 💧 None 💨 15 mph H 44%29.97 inHg

1:00 PM

Overcast

88° 💧 None 💨 14 mph H 40%29.94 inHg

2:00 PM

Overcast

91° 💧 None 💨 15 mph H 37%29.91 inHg

3:00 PM

Overcast

90° 💧 None 💨 14 mph H 38%29.91 inHg

4:00 PM

Overcast

88° 💧 None 💨 13 mph H 42%29.88 inHg

5:00 PM

Overcast

84° 💧 None 💨 8 mph H 48%29.88 inHg

6:00 PM

Overcast

82° 💧 None 💨 9 mph H 53%29.88 inHg

7:00 PM

Overcast

80° 💧 None 💨 9 mph H 55%29.88 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 10 mph H 49%29.88 inHg

9:00 PM

Overcast night

79° 💧 None 💨 11 mph H 48%29.88 inHg

10:00 PM

Overcast night

80° 💧 None 💨 12 mph H 44%29.88 inHg

11:00 PM

Mostly cloudy night

79° 💧 None 💨 11 mph H 45%29.88 inHg

Monday

12:00 AM

Mostly cloudy night

77° 💧 None 💨 9 mph H 46%29.91 inHg

1:00 AM

Mostly cloudy night

77° 💧 None 💨 9 mph H 45%29.91 inHg

2:00 AM

Overcast night

76° 💧 None 💨 10 mph H 46%29.88 inHg

3:00 AM

Overcast night

75° 💧 None 💨 9 mph H 46%29.88 inHg

4:00 AM

Overcast night

76° 💧 None 💨 9 mph H 44%29.88 inHg

5:00 AM

Overcast night

77° 💧 None 💨 9 mph H 42%29.88 inHg

6:00 AM

Overcast night

76° 💧 None 💨 10 mph H 44%29.88 inHg

7:00 AM

Overcast

74° 💧 None 💨 10 mph H 53%29.91 inHg

8:00 AM

Overcast

75° 💧 None 💨 10 mph H 60%29.94 inHg

9:00 AM

Mostly cloudy

80° 💧 None 💨 11 mph H 57%29.94 inHg

10:00 AM

Mostly cloudy

85° 💧 None 💨 12 mph H 52%29.91 inHg

11:00 AM

Mostly cloudy

90° 💧 None 💨 13 mph H 44%29.91 inHg

12:00 PM

Mostly cloudy

94° 💧 None 💨 13 mph H 38%29.91 inHg

1:00 PM

Mostly cloudy

96° 💧 None 💨 13 mph H 35%29.88 inHg

2:00 PM

Overcast

98° 💧 None 💨 14 mph H 33%29.88 inHg

3:00 PM

Overcast

99° 💧 None 💨 15 mph H 33%29.85 inHg

4:00 PM

Overcast

98° 💧 None 💨 16 mph H 35%29.85 inHg

5:00 PM

Overcast

96° 💧 None 💨 16 mph H 38%29.83 inHg

6:00 PM

Overcast

93° 💧 None 💨 14 mph H 41%29.83 inHg

7:00 PM

Overcast

89° 💧 None 💨 11 mph H 45%29.85 inHg

8:00 PM

Overcast night

87° 💧 None 💨 10 mph H 43%29.85 inHg

9:00 PM

Overcast night

88° 💧 None 💨 13 mph H 42%29.85 inHg

10:00 PM

Overcast night

88° 💧 None 💨 14 mph H 40%29.85 inHg

11:00 PM

Mostly cloudy night

88° 💧 None 💨 14 mph H 37%29.85 inHg

Tuesday

12:00 AM

Mostly cloudy night

88° 💧 None 💨 14 mph H 37%29.88 inHg

1:00 AM

Mostly cloudy night

86° 💧 None 💨 12 mph H 39%29.88 inHg

2:00 AM

Mostly cloudy night

84° 💧 None 💨 10 mph H 41%29.88 inHg

3:00 AM

Mostly cloudy night

82° 💧 None 💨 10 mph H 44%29.88 inHg

4:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 46%29.88 inHg

5:00 AM

Mostly cloudy night

79° 💧 None 💨 9 mph H 48%29.88 inHg

6:00 AM

Mostly cloudy night

78° 💧 None 💨 8 mph H 51%29.91 inHg

7:00 AM

Overcast

76° 💧 None 💨 8 mph H 56%29.91 inHg

8:00 AM

Overcast

78° 💧 None 💨 8 mph H 60%29.94 inHg

9:00 AM

Overcast

83° 💧 None 💨 10 mph H 55%29.94 inHg

10:00 AM

Overcast

88° 💧 None 💨 11 mph H 47%29.94 inHg

11:00 AM

Overcast

93° 💧 None 💨 12 mph H 38%29.94 inHg

12:00 PM

Overcast

98° 💧 None 💨 11 mph H 32%29.91 inHg

1:00 PM

Overcast

101° 💧 None 💨 11 mph H 28%29.91 inHg

2:00 PM

Overcast

102° 💧 None 💨 10 mph H 26%29.88 inHg

3:00 PM

Overcast

103° 💧 None 💨 11 mph H 26%29.85 inHg

4:00 PM

Overcast

101° 💧 None 💨 14 mph H 29%29.85 inHg

5:00 PM

Overcast

98° 💧 None 💨 17 mph H 32%29.83 inHg

6:00 PM

Overcast

96° 💧 None 💨 18 mph H 33%29.85 inHg

7:00 PM

Mostly cloudy

92° 💧 None 💨 15 mph H 36%29.85 inHg

8:00 PM

Clear night

92° 💧 None 💨 15 mph H 35%29.85 inHg

9:00 PM

Clear night

91° 💧 None 💨 16 mph H 36%29.85 inHg

10:00 PM

Clear night

90° 💧 None 💨 15 mph H 37%29.88 inHg

11:00 PM

Clear night

87° 💧 None 💨 13 mph H 39%29.85 inHg

Wednesday

12:00 AM

Clear night

86° 💧 None 💨 12 mph H 40%29.85 inHg

1:00 AM

Clear night

85° 💧 None 💨 11 mph H 41%29.85 inHg

In Delavan and, more broadly, across the state of Illinois: Clear skies will continue through the evening, with temperatures remaining mild to warm, ranging from 77 to 80 degrees Fahrenheit. Light eastward winds will persist, with maximum speeds around 7 mph and occasional gusts reaching up to 9 mph. No precipitation is expected overnight, so conditions will remain dry and calm. It should be a pleasant evening with comfortable temperatures and gentle breezes.

15-Day Weather Outlook for Delavan

TomorrowTomorrow

Light rain 91°/67° 💧 0.05 in 💨 15 mph

Monday, Aug 31Mon Aug 31

Mostly cloudy 99°/74° 💧 None 💨 16 mph

Tuesday, Sep 1Tue Sep 1

Overcast 101°/76° 💧 None 💨 15 mph

Wednesday, Sep 2Wed Sep 2

Mostly sunny 100°/77° 💧 None 💨 19 mph

Thursday, Sep 3Thu Sep 3

Mostly sunny 94°/68° 💧 None 💨 11 mph

Friday, Sep 4Fri Sep 4

Light rain 95°/71° 💧 0.08 in 💨 18 mph

Saturday, Sep 5Sat Sep 5

Light rain 92°/73° 💧 0.02 in 💨 15 mph

Sunday, Sep 6Sun Sep 6

Light rain 85°/69° 💧 0.06 in 💨 13 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 96°/66° 💧 None 💨 15 mph

Tuesday, Sep 8Tue Sep 8

Sunny 104°/75° 💧 None 💨 22 mph

Wednesday, Sep 9Wed Sep 9

Light rain 93°/72° 💧 0.09 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Light rain 91°/73° 💧 0.16 in 💨 17 mph

Friday, Sep 11Fri Sep 11

Sunny 81°/61° 💧 None 💨 13 mph

Saturday, Sep 12Sat Sep 12

Light rain 92°/62° 💧 0.04 in 💨 14 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 104°/77° 💧 None 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Delavan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Delavan

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 6,5µg/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 7,0µg/m³

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

O₃ Ozone Good 21,9µg/m³

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

NO₂ Nitrogen dioxide Good 9,2µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Delavan

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 3,8Moderate 😊Good

Tomorrow UV 7,3High 😐Moderate

Monday UV 8,1Very high 😐Moderate

Tuesday UV 7,8High 😐Moderate

Wednesday UV 9,0Very high 🙂Fair

Thursday UV 9,0Very high —Unavailable

Friday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,1 8:00 AMUV 0,6 9:00 AMUV 1,5 10:00 AMUV 2,5 11:00 AMUV 3,1 12:00 PMUV 3,0 1:00 PMUV 3,8 2:00 PMUV 2,3 3:00 PMUV 2,8 4:00 PMUV 3,3 5:00 PMUV 1,5 6:00 PMUV 0,6

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Delavan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.70 Population: 1,489

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Forecast data for Delavan were last refreshed today at 1:45 AM. The current forecast period extends through 30/08/2026 at 11:00 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.