What is the weather in Smithboro right now?

Current weather in Smithboro is clear sky.

Where can I find the hourly weather forecast for Smithboro?

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

Is the weather forecast for Smithboro updated regularly?

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

Now · 3:47 AM

Smithboro Weather & Hourly Forecast

United States · Illinois · 62284

67°F

Clear night

Feels like: 66°F

💧 Humidity 73% 🌡 Pressure 30.06 inHg 💨 Wind 6 mph 👁 Visibility 17.5 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Smithboro

Today

4:00 AM

Clear night

67° 💧 None 💨 6 mph H 73%30.06 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 7 mph H 79%30.09 inHg

10:00 AM

Sunny

76° 💧 None 💨 7 mph H 59%30.09 inHg

1:00 PM

Sunny

82° 💧 None 💨 7 mph H 41%30.09 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 38%30.03 inHg

7:00 PM

Sunny

78° 💧 None 💨 4 mph H 52%30.03 inHg

10:00 PM

Clear night

72° 💧 None 💨 7 mph H 56%30.09 inHg

Tomorrow

1:00 AM

Clear night

68° 💧 None 💨 5 mph H 66%30.09 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 80%30.09 inHg

7:00 AM

Sunny

64° 💧 None 💨 3 mph H 85%30.09 inHg

10:00 AM

Mostly sunny

79° 💧 None 💨 4 mph H 57%30.12 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 42%30.09 inHg

4:00 PM

Sunny

90° 💧 None 💨 5 mph H 30%30.03 inHg

7:00 PM

Sunny

84° 💧 None 💨 1 mph H 51%30.03 inHg

10:00 PM

Clear night

78° 💧 None 💨 4 mph H 58%30.06 inHg

Wednesday

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 67%30.06 inHg

Today

4:00 AM

Clear night

67° 💧 None 💨 6 mph H 73%30.06 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 7 mph H 76%30.06 inHg

6:00 AM

Mostly cloudy night

65° 💧 None 💨 7 mph H 78%30.06 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 7 mph H 79%30.09 inHg

8:00 AM

Sunny

68° 💧 None 💨 6 mph H 74%30.12 inHg

9:00 AM

Sunny

72° 💧 None 💨 7 mph H 68%30.12 inHg

10:00 AM

Sunny

76° 💧 None 💨 7 mph H 59%30.09 inHg

11:00 AM

Sunny

79° 💧 None 💨 8 mph H 48%30.09 inHg

12:00 PM

Sunny

81° 💧 None 💨 7 mph H 43%30.09 inHg

1:00 PM

Sunny

82° 💧 None 💨 7 mph H 41%30.09 inHg

2:00 PM

Sunny

83° 💧 None 💨 6 mph H 39%30.06 inHg

3:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%30.03 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 38%30.03 inHg

5:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%30.03 inHg

6:00 PM

Sunny

82° 💧 None 💨 6 mph H 42%30.03 inHg

7:00 PM

Sunny

78° 💧 None 💨 4 mph H 52%30.03 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 59%30.06 inHg

9:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 60%30.06 inHg

10:00 PM

Clear night

72° 💧 None 💨 7 mph H 56%30.09 inHg

11:00 PM

Clear night

71° 💧 None 💨 6 mph H 59%30.09 inHg

Tomorrow

12:00 AM

Clear night

69° 💧 None 💨 6 mph H 62%30.09 inHg

1:00 AM

Clear night

68° 💧 None 💨 5 mph H 66%30.09 inHg

2:00 AM

Clear night

67° 💧 None 💨 5 mph H 71%30.09 inHg

3:00 AM

Clear night

66° 💧 None 💨 4 mph H 76%30.06 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 80%30.09 inHg

5:00 AM

Mostly cloudy night

64° 💧 None 💨 4 mph H 83%30.09 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 3 mph H 85%30.09 inHg

7:00 AM

Sunny

64° 💧 None 💨 3 mph H 85%30.09 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 4 mph H 77%30.12 inHg

9:00 AM

Sunny

74° 💧 None 💨 4 mph H 67%30.12 inHg

10:00 AM

Mostly sunny

79° 💧 None 💨 4 mph H 57%30.12 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 5 mph H 49%30.12 inHg

12:00 PM

Mostly sunny

86° 💧 None 💨 6 mph H 44%30.09 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 42%30.09 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 5 mph H 37%30.06 inHg

3:00 PM

Mostly sunny

90° 💧 None 💨 5 mph H 32%30.06 inHg

4:00 PM

Sunny

90° 💧 None 💨 5 mph H 30%30.03 inHg

5:00 PM

Sunny

90° 💧 None 💨 4 mph H 33%30.03 inHg

6:00 PM

Sunny

88° 💧 None 💨 2 mph H 41%30.03 inHg

7:00 PM

Sunny

84° 💧 None 💨 1 mph H 51%30.03 inHg

8:00 PM

Clear night

81° 💧 None 💨 2 mph H 52%30.03 inHg

9:00 PM

Clear night

79° 💧 None 💨 3 mph H 56%30.03 inHg

10:00 PM

Clear night

78° 💧 None 💨 4 mph H 58%30.06 inHg

11:00 PM

Clear night

78° 💧 None 💨 5 mph H 63%30.06 inHg

Wednesday

12:00 AM

Clear night

78° 💧 None 💨 7 mph H 66%30.06 inHg

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 67%30.06 inHg

2:00 AM

Clear night

77° 💧 None 💨 7 mph H 70%30.03 inHg

3:00 AM

Clear night

76° 💧 None 💨 7 mph H 73%30.03 inHg

4:00 AM

Clear night

76° 💧 None 💨 7 mph H 75%30.03 inHg

5:00 AM

Clear night

75° 💧 None 💨 7 mph H 78%30.06 inHg

6:00 AM

Clear night

75° 💧 None 💨 7 mph H 80%30.06 inHg

7:00 AM

Sunny

74° 💧 None 💨 8 mph H 81%30.06 inHg

8:00 AM

Sunny

78° 💧 None 💨 8 mph H 75%30.06 inHg

9:00 AM

Sunny

82° 💧 None 💨 9 mph H 66%30.06 inHg

10:00 AM

Sunny

86° 💧 None 💨 9 mph H 57%30.06 inHg

11:00 AM

Sunny

90° 💧 None 💨 9 mph H 50%30.06 inHg

12:00 PM

Mostly sunny

93° 💧 0.000 in 💨 8 mph H 43%30.03 inHg

1:00 PM

Sunny

94° 💧 0.001 in 💨 6 mph H 41%30.00 inHg

2:00 PM

Mostly sunny

95° 💧 0.001 in 💨 4 mph H 40%30.00 inHg

3:00 PM

Light rain

94° 💧 0.008 in 💨 6 mph H 43%29.97 inHg

4:00 PM

Light rain

90° 💧 0.015 in 💨 5 mph H 50%29.97 inHg

5:00 PM

Light rain

89° 💧 0.012 in 💨 2 mph H 53%29.97 inHg

6:00 PM

Mostly sunny

89° 💧 0.002 in 💨 3 mph H 54%29.94 inHg

7:00 PM

Mostly sunny

86° 💧 0.001 in 💨 2 mph H 67%29.94 inHg

10:00 PM

Light rain

79° 💧 None 💨 9 mph H 82%30.00 inHg

Thursday

1:00 AM

Heavy rain

75° 💧 None 💨 2 mph H 97%30.00 inHg

4:00 AM

Moderate rain

74° 💧 None 💨 7 mph H 99%30.00 inHg

7:00 AM

Moderate rain

72° 💧 None 💨 2 mph H 98%30.00 inHg

10:00 AM

Light rain

74° 💧 None 💨 5 mph H 92%30.00 inHg

1:00 PM

Light rain

79° 💧 None 💨 4 mph H 78%30.00 inHg

4:00 PM

Mostly cloudy

83° 💧 None 💨 7 mph H 61%29.94 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 74%29.94 inHg

10:00 PM

Mostly cloudy night

70° 💧 None 💨 5 mph H 80%29.97 inHg

Friday

1:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 80%30.00 inHg

4:00 AM

Partly cloudy night

65° 💧 None 💨 6 mph H 81%30.00 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 5 mph H 84%30.00 inHg

10:00 AM

Mostly cloudy

72° 💧 None 💨 4 mph H 73%30.00 inHg

1:00 PM

Mostly cloudy

80° 💧 None 💨 4 mph H 59%29.97 inHg

4:00 PM

Mostly sunny

83° 💧 None 💨 4 mph H 54%29.88 inHg

7:00 PM

Sunny

77° 💧 None 💨 1 mph H 72%29.85 inHg

10:00 PM

Clear night

73° 💧 None 💨 7 mph H 78%29.88 inHg

Saturday

1:00 AM

Clear night

71° 💧 None 💨 5 mph H 86%29.88 inHg

4:00 AM

Partly cloudy night

71° 💧 None 💨 6 mph H 86%29.85 inHg

7:00 AM

Moderate rain

69° 💧 None 💨 6 mph H 98%29.91 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 8 mph H 87%29.91 inHg

1:00 PM

Overcast

82° 💧 None 💨 7 mph H 71%29.91 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 67%29.91 inHg

7:00 PM

Overcast

80° 💧 None 💨 2 mph H 83%29.94 inHg

Sunday

1:00 AM

Clear night

74° 💧 None 💨 3 mph H 94%30.00 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 0 mph H 98%30.06 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 4 mph H 65%30.06 inHg

7:00 PM

Overcast

82° 💧 None 💨 2 mph H 76%30.03 inHg

Monday

1:00 AM

Mostly cloudy night

75° 💧 None 💨 4 mph H 89%30.06 inHg

7:00 AM

Overcast

73° 💧 None 💨 5 mph H 94%30.03 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 9 mph H 58%29.97 inHg

7:00 PM

Sunny

86° 💧 None 💨 9 mph H 65%29.85 inHg

Tuesday

1:00 AM

Clear night

82° 💧 None 💨 11 mph H 73%29.91 inHg

7:00 AM

Overcast

75° 💧 None 💨 10 mph H 91%30.00 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 10 mph H 43%30.12 inHg

7:00 PM

Sunny

74° 💧 None 💨 7 mph H 54%30.12 inHg

Wednesday

1:00 AM

Clear night

65° 💧 None 💨 8 mph H 71%30.24 inHg

7:00 AM

Sunny

61° 💧 None 💨 7 mph H 79%30.33 inHg

1:00 PM

Sunny

75° 💧 None 💨 7 mph H 43%30.33 inHg

7:00 PM

Sunny

71° 💧 None 💨 8 mph H 51%30.30 inHg

Thursday

1:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 69%30.36 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 5 mph H 79%30.36 inHg

1:00 PM

Mostly cloudy

75° 💧 None 💨 6 mph H 39%30.33 inHg

7:00 PM

Overcast

70° 💧 None 💨 8 mph H 57%30.27 inHg

Friday

1:00 AM

Mostly clear night

61° 💧 None 💨 7 mph H 69%30.30 inHg

7:00 AM

Mostly sunny

54° 💧 None 💨 6 mph H 78%30.30 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 4 mph H 36%30.27 inHg

7:00 PM

Sunny

69° 💧 None 💨 4 mph H 51%30.18 inHg

Saturday

1:00 AM

Clear night

61° 💧 None 💨 6 mph H 71%30.18 inHg

7:00 AM

Sunny

57° 💧 None 💨 3 mph H 85%30.18 inHg

1:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 41%30.15 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 3 mph H 56%30.06 inHg

Sunday

1:00 AM

Clear night

62° 💧 None 💨 3 mph H 78%30.09 inHg

7:00 AM

Sunny

58° 💧 None 💨 2 mph H 81%30.09 inHg

1:00 PM

Overcast

79° 💧 None 💨 6 mph H 36%30.03 inHg

7:00 PM

Overcast night

73° 💧 None 💨 3 mph H 51%29.94 inHg

Monday

1:00 AM

Overcast night

68° 💧 None 💨 3 mph H 58%29.97 inHg

7:00 AM

Light rain

65° 💧 None 💨 4 mph H 83%30.00 inHg

1:00 PM

Overcast

68° 💧 None 💨 7 mph H 86%30.00 inHg

7:00 PM

Overcast night

69° 💧 None 💨 1 mph H 86%29.94 inHg

In Smithboro and, more broadly, across the state of Illinois: The evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 76 to 78 degrees Fahrenheit. Winds will be light and coming from the east, with speeds up to 8 mph, occasionally gusting to 18 mph. No precipitation is expected during this time, making for a relatively calm and pleasant evening. The weather should remain stable through the next few hours, with comfortable conditions and no significant weather disturbances anticipated. Overall, it’s a good evening for outdoor activities or relaxing outside. Temperatures will gradually stay steady, and the breeze will provide a gentle refreshment as the night progresses.

15-Day Weather Outlook for Smithboro

TomorrowTomorrow

Mostly sunny 91°/65° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 98°/76° 💧 0.001 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 87°/72° 💧 0.408 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Sunny 86°/61° 💧 0.000 in 💨 5 mph

Saturday, Sep 12Sat Sep 12

Overcast 89°/73° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Light rain 88°/71° 💧 0.189 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 93°/78° 💧 0.001 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 96°/77° 💧 0.015 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Light rain 94°/66° 💧 0.044 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 84°/66° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 84°/62° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 78°/54° 💧 0.001 in 💨 17 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 64°/50° 💧 None 💨 14 mph

Monday, Sep 21Mon Sep 21

Sunny 66°/51° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Smithboro

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Smithboro

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 AM

PM2.5 Fine particles Good 4,1µg/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 5,0µg/m³

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

O₃ Ozone Fair 73,7µg/m³

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

NO₂ Nitrogen dioxide Good 1,9µg/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 Smithboro

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 8,0Very high 🙂Fair

Tomorrow UV 7,5High 😐Moderate

Wednesday UV 5,5Moderate 🙂Fair

Thursday UV 6,1High 🙂Fair

Friday UV 8,0Very high 😊Good

Saturday UV 8,0Very high —Unavailable

Sunday UV 8,0Very high —Unavailable

Hourly UV index today

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

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

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.

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 Smithboro

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SMITHBORO, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:52 PM–5:00 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 17° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 78° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Smithboro were last refreshed today at 3:47 AM. The current forecast period extends through 09/09/2026 at 1:00 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.