What is the weather in Oswego right now?

Current weather in Oswego is overcast clouds.

Where can I find the hourly weather forecast for Oswego?

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

Is the weather forecast for Oswego updated regularly?

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

Now · 8:16 PM

Oswego Weather & Hourly Forecast

United States · Illinois · 60543

75°F

Overcast night

Feels like: 76°F

💧 Humidity 84% 🌡 Pressure 29.94 inHg 💨 Wind 12 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:17 AM 🌇 Sunset 7:30 PM

Hourly Forecast for Oswego

Today

9:00 PM

Overcast night

75° 💧 None 💨 12 mph H 83%29.94 inHg

Tomorrow

12:00 AM

Overcast night

78° 💧 None 💨 6 mph H 82%29.91 inHg

3:00 AM

Overcast night

78° 💧 None 💨 7 mph H 66%29.91 inHg

6:00 AM

Overcast night

76° 💧 None 💨 7 mph H 60%29.94 inHg

9:00 AM

Overcast

74° 💧 None 💨 7 mph H 77%29.97 inHg

12:00 PM

Overcast

84° 💧 None 💨 11 mph H 68%29.94 inHg

3:00 PM

Overcast

89° 💧 None 💨 11 mph H 71%29.91 inHg

6:00 PM

Overcast

86° 💧 None 💨 9 mph H 80%29.88 inHg

9:00 PM

Overcast night

80° 💧 None 💨 7 mph H 89%29.88 inHg

Tuesday

12:00 AM

Mostly cloudy night

80° 💧 None 💨 6 mph H 80%29.88 inHg

3:00 AM

Light rain

77° 💧 0.03 in 💨 9 mph H 74%29.88 inHg

6:00 AM

Light rain

73° 💧 0.01 in 💨 10 mph H 92%29.94 inHg

9:00 AM

Mostly cloudy

76° 💧 None 💨 12 mph H 85%29.94 inHg

12:00 PM

Overcast

88° 💧 None 💨 13 mph H 70%29.91 inHg

3:00 PM

Mostly cloudy

87° 💧 None 💨 11 mph H 69%29.88 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 81%29.85 inHg

Today

9:00 PM

Overcast night

75° 💧 None 💨 12 mph H 83%29.94 inHg

10:00 PM

Overcast night

77° 💧 None 💨 7 mph H 83%29.94 inHg

11:00 PM

Overcast night

77° 💧 None 💨 7 mph H 86%29.91 inHg

Tomorrow

12:00 AM

Overcast night

78° 💧 None 💨 6 mph H 82%29.91 inHg

1:00 AM

Overcast night

79° 💧 None 💨 5 mph H 69%29.91 inHg

2:00 AM

Mostly cloudy night

78° 💧 None 💨 7 mph H 69%29.91 inHg

3:00 AM

Overcast night

78° 💧 None 💨 7 mph H 66%29.91 inHg

4:00 AM

Overcast night

77° 💧 None 💨 7 mph H 62%29.94 inHg

5:00 AM

Overcast night

77° 💧 None 💨 7 mph H 59%29.94 inHg

6:00 AM

Overcast night

76° 💧 None 💨 7 mph H 60%29.94 inHg

7:00 AM

Overcast

74° 💧 None 💨 7 mph H 67%29.94 inHg

8:00 AM

Overcast

72° 💧 None 💨 7 mph H 71%29.97 inHg

9:00 AM

Overcast

74° 💧 None 💨 7 mph H 77%29.97 inHg

10:00 AM

Overcast

76° 💧 None 💨 7 mph H 80%29.97 inHg

11:00 AM

Overcast

81° 💧 None 💨 9 mph H 74%29.97 inHg

12:00 PM

Overcast

84° 💧 None 💨 11 mph H 68%29.94 inHg

1:00 PM

Overcast

85° 💧 None 💨 10 mph H 70%29.94 inHg

2:00 PM

Overcast

87° 💧 None 💨 12 mph H 68%29.91 inHg

3:00 PM

Overcast

89° 💧 None 💨 11 mph H 71%29.91 inHg

4:00 PM

Overcast

91° 💧 None 💨 12 mph H 72%29.91 inHg

5:00 PM

Overcast

89° 💧 None 💨 11 mph H 74%29.88 inHg

6:00 PM

Overcast

86° 💧 None 💨 9 mph H 80%29.88 inHg

7:00 PM

Overcast

83° 💧 None 💨 7 mph H 86%29.88 inHg

8:00 PM

Overcast night

80° 💧 None 💨 8 mph H 88%29.88 inHg

9:00 PM

Overcast night

80° 💧 None 💨 7 mph H 89%29.88 inHg

10:00 PM

Overcast night

81° 💧 None 💨 6 mph H 88%29.88 inHg

11:00 PM

Mostly cloudy night

81° 💧 None 💨 6 mph H 86%29.88 inHg

Tuesday

12:00 AM

Mostly cloudy night

80° 💧 None 💨 6 mph H 80%29.88 inHg

1:00 AM

Mostly cloudy night

80° 💧 None 💨 6 mph H 73%29.88 inHg

2:00 AM

Mostly clear night

80° 💧 None 💨 8 mph H 68%29.88 inHg

3:00 AM

Light rain

77° 💧 0.01 in 💨 9 mph H 74%29.88 inHg

4:00 AM

Light rain

75° 💧 0.02 in 💨 6 mph H 83%29.91 inHg

5:00 AM

Light rain

74° 💧 0.01 in 💨 9 mph H 90%29.91 inHg

6:00 AM

Light rain

73° 💧 0.01 in 💨 10 mph H 92%29.94 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 11 mph H 90%29.91 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 10 mph H 88%29.94 inHg

9:00 AM

Mostly cloudy

76° 💧 None 💨 12 mph H 85%29.94 inHg

10:00 AM

Overcast

81° 💧 None 💨 12 mph H 81%29.94 inHg

11:00 AM

Overcast

84° 💧 None 💨 13 mph H 75%29.91 inHg

12:00 PM

Overcast

88° 💧 None 💨 13 mph H 70%29.91 inHg

1:00 PM

Overcast

88° 💧 None 💨 13 mph H 67%29.88 inHg

2:00 PM

Mostly cloudy

86° 💧 None 💨 13 mph H 66%29.91 inHg

3:00 PM

Mostly cloudy

87° 💧 None 💨 11 mph H 69%29.88 inHg

4:00 PM

Mostly cloudy

87° 💧 None 💨 9 mph H 73%29.88 inHg

5:00 PM

Mostly cloudy

86° 💧 None 💨 8 mph H 74%29.88 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 81%29.85 inHg

7:00 PM

Mostly cloudy

81° 💧 None 💨 4 mph H 83%29.88 inHg

8:00 PM

Overcast night

78° 💧 None 💨 3 mph H 85%29.88 inHg

9:00 PM

Overcast night

77° 💧 None 💨 2 mph H 84%29.91 inHg

10:00 PM

Mostly cloudy night

77° 💧 None 💨 2 mph H 85%29.91 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 3 mph H 86%29.91 inHg

Wednesday

12:00 AM

Partly cloudy night

76° 💧 None 💨 5 mph H 87%29.88 inHg

1:00 AM

Partly cloudy night

75° 💧 None 💨 6 mph H 87%29.88 inHg

2:00 AM

Clear night

74° 💧 None 💨 8 mph H 84%29.88 inHg

3:00 AM

Clear night

73° 💧 None 💨 8 mph H 77%29.88 inHg

4:00 AM

Clear night

73° 💧 None 💨 9 mph H 69%29.88 inHg

5:00 AM

Clear night

74° 💧 None 💨 8 mph H 65%29.88 inHg

6:00 AM

Clear night

74° 💧 None 💨 8 mph H 64%29.88 inHg

7:00 AM

Sunny

73° 💧 None 💨 8 mph H 73%29.88 inHg

8:00 AM

Sunny

75° 💧 None 💨 10 mph H 78%29.91 inHg

9:00 AM

Partly cloudy

78° 💧 None 💨 10 mph H 76%29.91 inHg

10:00 AM

Mostly cloudy

82° 💧 None 💨 9 mph H 71%29.91 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 10 mph H 67%29.91 inHg

12:00 PM

Partly cloudy

86° 💧 None 💨 12 mph H 65%29.88 inHg

1:00 PM

Partly cloudy

88° 💧 None 💨 13 mph H 65%29.88 inHg

2:00 PM

Sunny

89° 💧 None 💨 13 mph H 67%29.85 inHg

3:00 PM

Sunny

90° 💧 None 💨 12 mph H 68%29.85 inHg

4:00 PM

Sunny

90° 💧 None 💨 11 mph H 69%29.85 inHg

5:00 PM

Sunny

89° 💧 None 💨 9 mph H 71%29.83 inHg

6:00 PM

Sunny

87° 💧 None 💨 6 mph H 77%29.83 inHg

7:00 PM

Sunny

84° 💧 None 💨 5 mph H 79%29.83 inHg

8:00 PM

Clear night

81° 💧 None 💨 4 mph H 83%29.83 inHg

9:00 PM

Clear night

79° 💧 None 💨 4 mph H 84%29.85 inHg

10:00 PM

Clear night

78° 💧 None 💨 3 mph H 83%29.85 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 2 mph H 85%29.85 inHg

Thursday

12:00 AM

Partly cloudy night

79° 💧 None 💨 1 mph H 82%29.85 inHg

1:00 AM

Partly cloudy night

77° 💧 None 💨 3 mph H 85%29.85 inHg

2:00 AM

Clear night

75° 💧 None 💨 1 mph H 87%29.88 inHg

3:00 AM

Clear night

75° 💧 None 💨 1 mph H 87%29.88 inHg

4:00 AM

Mostly clear night

73° 💧 None 💨 3 mph H 88%29.88 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 5 mph H 90%29.88 inHg

6:00 AM

Light rain

71° 💧 0.01 in 💨 5 mph H 88%29.91 inHg

7:00 AM

Partly cloudy

72° 💧 None 💨 6 mph H 89%29.91 inHg

8:00 AM

Mostly cloudy

75° 💧 None 💨 6 mph H 88%29.91 inHg

9:00 AM

Partly cloudy

78° 💧 None 💨 6 mph H 82%29.91 inHg

10:00 AM

Partly cloudy

80° 💧 None 💨 3 mph H 78%29.91 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 2 mph H 73%29.91 inHg

12:00 PM

Partly cloudy

84° 💧 None 💨 1 mph H 72%29.91 inHg

1:00 PM

Mostly cloudy

85° 💧 None 💨 2 mph H 71%29.91 inHg

2:00 PM

Partly cloudy

86° 💧 None 💨 6 mph H 69%29.91 inHg

3:00 PM

Partly cloudy

87° 💧 None 💨 8 mph H 64%29.91 inHg

4:00 PM

Mostly sunny

86° 💧 None 💨 10 mph H 67%29.91 inHg

5:00 PM

Mostly sunny

83° 💧 None 💨 12 mph H 69%29.91 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 10 mph H 76%29.91 inHg

7:00 PM

Sunny

75° 💧 None 💨 7 mph H 81%29.91 inHg

In Oswego and, more broadly, across the state of Illinois: The evening will be mostly cloudy, with temperatures holding steady between 82 and 84 degrees Fahrenheit. Winds will be coming from the south at around 10 mph, with gusts reaching up to 27 mph. No rain is expected during the night, so conditions will remain dry. The moderate wind may create a slight breeze, but overall, conditions will be mild and comfortable as the night progresses. Expect a relatively stable evening with no significant weather disruptions.

15-Day Weather Outlook for Oswego

TomorrowTomorrow

Overcast 91°/72° 💧 None 💨 12 mph

Tuesday, Sep 1Tue Sep 1

Light rain 88°/71° 💧 0.03 in 💨 13 mph

Wednesday, Sep 2Wed Sep 2

Light rain 89°/75° 💧 0.05 in 💨 10 mph

Thursday, Sep 3Thu Sep 3

Mostly cloudy 89°/69° 💧 None 💨 10 mph

Friday, Sep 4Fri Sep 4

Moderate rain 86°/69° 💧 0.19 in 💨 12 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 84°/69° 💧 0.71 in 💨 13 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 79°/67° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Light rain 75°/64° 💧 0.01 in 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 86°/70° 💧 None 💨 20 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 88°/70° 💧 None 💨 9 mph

Thursday, Sep 10Thu Sep 10

Sunny 96°/77° 💧 None 💨 16 mph

Friday, Sep 11Fri Sep 11

Light rain 91°/70° 💧 0.09 in 💨 19 mph

Saturday, Sep 12Sat Sep 12

Light rain 72°/52° 💧 0.27 in 💨 24 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 64°/44° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 74°/49° 💧 None 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Oswego

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Oswego

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 9:00 PM

PM2.5 Fine particles Fair 11,9µg/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 12,4µg/m³

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

O₃ Ozone Fair 79,8µg/m³

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

NO₂ Nitrogen dioxide Good 4,0µg/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 Oswego

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 5,7Moderate 🙂Fair

Tomorrow UV 6,1High 😐Moderate

Tuesday UV 7,8High 😐Moderate

Wednesday UV 7,8High 🙂Fair

Thursday UV 7,9High 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 7,0High —Unavailable

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 Oswego

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.58 Population: 36,375

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Forecast data for Oswego were last refreshed today at 7:41 PM. The current forecast period extends through 01/09/2026 at 6:00 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.