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Current weather in Posen is overcast clouds.

Where can I find the hourly weather forecast for Posen?

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

Is the weather forecast for Posen updated regularly?

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

Now · 6:41 PM

Posen Weather & Hourly Forecast

United States · Illinois · 60469

93°F

Overcast

Feels like: 105°F

💧 Humidity 63% 🌡 Pressure 29.91 inHg 💨 Wind 7 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 1.4 · Low 🌅 Sunrise 6:16 AM 🌇 Sunset 7:25 PM

Hourly Forecast for Posen

Today

7:00 PM

Overcast

92° 💧 None 💨 5 mph H 64%29.91 inHg

10:00 PM

Mostly cloudy night

84° 💧 None 💨 6 mph H 73%29.91 inHg

Tomorrow

1:00 AM

Partly cloudy night

80° 💧 None 💨 7 mph H 71%29.91 inHg

4:00 AM

Clear night

78° 💧 None 💨 9 mph H 60%29.91 inHg

7:00 AM

Sunny

77° 💧 None 💨 8 mph H 61%29.91 inHg

10:00 AM

Partly cloudy

82° 💧 None 💨 8 mph H 49%29.94 inHg

1:00 PM

Mostly cloudy

90° 💧 None 💨 11 mph H 47%29.88 inHg

4:00 PM

Partly cloudy

88° 💧 None 💨 10 mph H 48%29.88 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 3 mph H 62%29.85 inHg

10:00 PM

Mostly clear night

79° 💧 None 💨 9 mph H 64%29.91 inHg

Thursday

1:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 56%29.85 inHg

4:00 AM

Mostly cloudy night

79° 💧 0.03 in 💨 6 mph H 60%29.88 inHg

7:00 AM

Light rain

76° 💧 0.02 in 💨 5 mph H 84%29.91 inHg

10:00 AM

Overcast

78° 💧 None 💨 2 mph H 76%29.94 inHg

1:00 PM

Overcast

93° 💧 None 💨 1 mph H 39%29.91 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 7 mph H 57%29.94 inHg

Today

7:00 PM

Overcast

92° 💧 None 💨 5 mph H 64%29.91 inHg

8:00 PM

Overcast night

90° 💧 None 💨 5 mph H 67%29.91 inHg

9:00 PM

Overcast night

87° 💧 None 💨 6 mph H 71%29.91 inHg

10:00 PM

Mostly cloudy night

84° 💧 None 💨 6 mph H 73%29.91 inHg

11:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 74%29.91 inHg

Tomorrow

12:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 72%29.91 inHg

1:00 AM

Partly cloudy night

80° 💧 None 💨 7 mph H 71%29.91 inHg

2:00 AM

Clear night

80° 💧 None 💨 8 mph H 65%29.91 inHg

3:00 AM

Clear night

79° 💧 None 💨 8 mph H 61%29.91 inHg

4:00 AM

Clear night

78° 💧 None 💨 9 mph H 60%29.91 inHg

5:00 AM

Clear night

78° 💧 None 💨 9 mph H 59%29.91 inHg

6:00 AM

Clear night

78° 💧 None 💨 8 mph H 59%29.91 inHg

7:00 AM

Sunny

77° 💧 None 💨 8 mph H 61%29.91 inHg

8:00 AM

Sunny

78° 💧 None 💨 8 mph H 58%29.91 inHg

9:00 AM

Mostly sunny

81° 💧 None 💨 9 mph H 52%29.94 inHg

10:00 AM

Partly cloudy

82° 💧 None 💨 8 mph H 49%29.94 inHg

11:00 AM

Partly cloudy

85° 💧 None 💨 9 mph H 47%29.91 inHg

12:00 PM

Mostly cloudy

88° 💧 None 💨 10 mph H 47%29.91 inHg

1:00 PM

Mostly cloudy

90° 💧 None 💨 11 mph H 47%29.88 inHg

2:00 PM

Partly cloudy

89° 💧 None 💨 11 mph H 45%29.88 inHg

3:00 PM

Partly cloudy

89° 💧 None 💨 11 mph H 45%29.88 inHg

4:00 PM

Partly cloudy

88° 💧 None 💨 10 mph H 48%29.88 inHg

5:00 PM

Mostly sunny

87° 💧 None 💨 9 mph H 51%29.88 inHg

6:00 PM

Mostly sunny

87° 💧 None 💨 7 mph H 54%29.88 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 3 mph H 62%29.85 inHg

8:00 PM

Clear night

82° 💧 None 💨 4 mph H 71%29.88 inHg

9:00 PM

Mostly clear night

81° 💧 None 💨 7 mph H 64%29.91 inHg

10:00 PM

Mostly clear night

79° 💧 None 💨 9 mph H 64%29.91 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 5 mph H 61%29.88 inHg

Thursday

12:00 AM

Mostly clear night

78° 💧 None 💨 6 mph H 58%29.88 inHg

1:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 56%29.85 inHg

2:00 AM

Partly cloudy night

79° 💧 None 💨 5 mph H 57%29.88 inHg

3:00 AM

Mostly cloudy night

79° 💧 None 💨 5 mph H 61%29.88 inHg

4:00 AM

Mostly cloudy night

79° 💧 None 💨 6 mph H 60%29.88 inHg

5:00 AM

Light rain

77° 💧 0.02 in 💨 7 mph H 74%29.91 inHg

6:00 AM

Light rain

76° 💧 0.01 in 💨 6 mph H 82%29.88 inHg

7:00 AM

Light rain

76° 💧 0.01 in 💨 5 mph H 84%29.91 inHg

8:00 AM

Light rain

76° 💧 0.01 in 💨 5 mph H 81%29.91 inHg

9:00 AM

Overcast

79° 💧 None 💨 6 mph H 72%29.91 inHg

10:00 AM

Overcast

78° 💧 None 💨 2 mph H 76%29.94 inHg

11:00 AM

Overcast

81° 💧 None 💨 4 mph H 65%29.97 inHg

12:00 PM

Overcast

86° 💧 None 💨 3 mph H 52%29.94 inHg

1:00 PM

Overcast

93° 💧 None 💨 1 mph H 39%29.91 inHg

2:00 PM

Sunny

93° 💧 None 💨 4 mph H 40%29.91 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 5 mph H 55%29.94 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 7 mph H 57%29.94 inHg

5:00 PM

Mostly cloudy

85° 💧 None 💨 3 mph H 54%29.91 inHg

6:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 51%29.91 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 4 mph H 57%29.91 inHg

8:00 PM

Overcast night

82° 💧 None 💨 5 mph H 59%29.91 inHg

9:00 PM

Mostly cloudy night

81° 💧 None 💨 5 mph H 61%29.91 inHg

10:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 66%29.91 inHg

11:00 PM

Partly cloudy night

79° 💧 None 💨 4 mph H 70%29.91 inHg

Friday

12:00 AM

Partly cloudy night

78° 💧 None 💨 5 mph H 72%29.91 inHg

1:00 AM

Partly cloudy night

78° 💧 None 💨 5 mph H 74%29.88 inHg

2:00 AM

Clear night

78° 💧 None 💨 5 mph H 77%29.88 inHg

3:00 AM

Clear night

77° 💧 None 💨 4 mph H 80%29.88 inHg

4:00 AM

Partly cloudy night

78° 💧 None 💨 5 mph H 75%29.85 inHg

5:00 AM

Partly cloudy night

76° 💧 None 💨 3 mph H 79%29.88 inHg

6:00 AM

Mostly cloudy night

77° 💧 None 💨 3 mph H 76%29.88 inHg

7:00 AM

Light rain

75° 💧 0.01 in 💨 4 mph H 84%29.91 inHg

8:00 AM

Sunny

77° 💧 None 💨 3 mph H 81%29.94 inHg

9:00 AM

Sunny

78° 💧 None 💨 12 mph H 76%29.97 inHg

10:00 AM

Mostly sunny

81° 💧 None 💨 7 mph H 67%29.94 inHg

11:00 AM

Mostly sunny

86° 💧 None 💨 5 mph H 55%29.91 inHg

12:00 PM

Partly cloudy

90° 💧 None 💨 7 mph H 50%29.91 inHg

1:00 PM

Partly cloudy

91° 💧 None 💨 6 mph H 49%29.91 inHg

2:00 PM

Overcast

92° 💧 None 💨 6 mph H 47%29.88 inHg

3:00 PM

Overcast

93° 💧 None 💨 5 mph H 47%29.88 inHg

4:00 PM

Overcast

91° 💧 None 💨 4 mph H 50%29.88 inHg

5:00 PM

Overcast

89° 💧 None 💨 5 mph H 56%29.88 inHg

6:00 PM

Overcast

86° 💧 None 💨 6 mph H 60%29.88 inHg

7:00 PM

Overcast

82° 💧 None 💨 7 mph H 64%29.91 inHg

8:00 PM

Overcast night

80° 💧 None 💨 6 mph H 69%29.91 inHg

9:00 PM

Overcast night

79° 💧 None 💨 6 mph H 71%29.91 inHg

10:00 PM

Mostly cloudy night

78° 💧 None 💨 6 mph H 72%29.91 inHg

11:00 PM

Mostly cloudy night

77° 💧 None 💨 5 mph H 75%29.91 inHg

Saturday

12:00 AM

Mostly cloudy night

76° 💧 None 💨 4 mph H 79%29.94 inHg

1:00 AM

Mostly cloudy night

76° 💧 None 💨 3 mph H 81%29.94 inHg

2:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 83%29.91 inHg

3:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 85%29.91 inHg

4:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 87%29.91 inHg

5:00 AM

Light rain

75° 💧 0.01 in 💨 5 mph H 88%29.94 inHg

6:00 AM

Light rain

73° 💧 0.03 in 💨 6 mph H 94%29.94 inHg

7:00 AM

Moderate rain

72° 💧 0.08 in 💨 8 mph H 97%29.97 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 7 mph H 93%29.97 inHg

9:00 AM

Moderate rain

75° 💧 0.06 in 💨 7 mph H 91%30.03 inHg

10:00 AM

Moderate rain

73° 💧 0.05 in 💨 10 mph H 96%29.97 inHg

11:00 AM

Overcast

76° 💧 None 💨 6 mph H 87%29.97 inHg

12:00 PM

Overcast

79° 💧 None 💨 7 mph H 78%29.94 inHg

1:00 PM

Light rain

84° 💧 0.00 in 💨 3 mph H 61%29.97 inHg

2:00 PM

Light rain

79° 💧 0.02 in 💨 7 mph H 73%29.94 inHg

3:00 PM

Overcast

85° 💧 None 💨 4 mph H 57%29.94 inHg

4:00 PM

Light rain

84° 💧 0.01 in 💨 2 mph H 60%29.94 inHg

5:00 PM

Mostly cloudy

83° 💧 None 💨 2 mph H 64%29.94 inHg

In Posen and, more broadly, across the state of Illinois: Clear skies will continue into the evening, with temperatures remaining hot, ranging from 89 to 93 degrees Fahrenheit. Expect light southeast winds at around 8 mph, with gusts reaching up to 16 mph. No precipitation is expected during this time, so dry conditions will persist through the night. Temperatures will gradually cool but stay warm, making for a warm evening overall. Anyone heading outdoors should still consider sun protection and stay hydrated. The light breeze will provide some relief from the heat, but it won't significantly lower temperatures. Overall, it will be a warm and dry evening with clear skies continuing into the overnight hours.

15-Day Weather Outlook for Posen

TomorrowTomorrow

Mostly cloudy 90°/77° 💧 None 💨 11 mph

Thursday, Sep 3Thu Sep 3

Light rain 93°/76° 💧 0.05 in 💨 7 mph

Friday, Sep 4Fri Sep 4

Light rain 93°/75° 💧 0.01 in 💨 12 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 84°/72° 💧 0.27 in 💨 10 mph

Sunday, Sep 6Sun Sep 6

Moderate rain 76°/67° 💧 0.58 in 💨 13 mph

Monday, Sep 7Mon Sep 7

Moderate rain 85°/68° 💧 0.35 in 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Moderate rain 72°/60° 💧 0.55 in 💨 17 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 58°/52° 💧 0.60 in 💨 10 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 75°/57° 💧 1.02 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Moderate rain 82°/65° 💧 0.17 in 💨 15 mph

Saturday, Sep 12Sat Sep 12

Overcast 78°/60° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Overcast 69°/63° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 74°/62° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Sunny 74°/58° 💧 None 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 74°/56° 💧 None 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Posen

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Posen

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Fair 11,0µg/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 11,7µg/m³

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

O₃ Ozone Fair 76,4µg/m³

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

NO₂ Nitrogen dioxide Good 5,2µg/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 Posen

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 7,9High 🙂Fair

Tomorrow UV 6,7High 😐Moderate

Thursday UV 7,2High 🙂Fair

Friday UV 6,6High 🙂Fair

Saturday UV 5,6Moderate 🙂Fair

Sunday UV 5,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

7:00 PMUV 0,0

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.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Posen

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.90 Population: 5,292

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Forecast data for Posen were last refreshed today at 5:56 PM. The current forecast period extends through 03/09/2026 at 4:00 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.