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Current weather in Olney is few clouds.

Where can I find the hourly weather forecast for Olney?

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

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

Now · 4:17 AM

Olney Weather & Hourly Forecast

United States · Illinois · 62450

67°F

Mostly clear night

Feels like: 68°F

💧 Humidity 78% 🌡 Pressure 30.09 inHg 💨 Wind 4 mph 👁 Visibility 17.4 mi ☁ Clouds 20% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Olney

Today

5:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 81%30.09 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 71%30.12 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 5 mph H 52%30.12 inHg

2:00 PM

Sunny

92° 💧 None 💨 6 mph H 40%30.06 inHg

5:00 PM

Mostly sunny

92° 💧 None 💨 4 mph H 39%30.03 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 7 mph H 53%30.03 inHg

11:00 PM

Clear night

81° 💧 None 💨 6 mph H 64%30.09 inHg

Tomorrow

2:00 AM

Clear night

78° 💧 None 💨 9 mph H 70%30.06 inHg

5:00 AM

Clear night

77° 💧 None 💨 10 mph H 74%30.09 inHg

8:00 AM

Sunny

79° 💧 None 💨 10 mph H 72%30.09 inHg

11:00 AM

Sunny

91° 💧 None 💨 12 mph H 49%30.06 inHg

2:00 PM

Light thunderstorms

90° 💧 0.038 in 💨 13 mph H 51%30.03 inHg

5:00 PM

Light thunderstorms

93° 💧 0.021 in 💨 9 mph H 42%29.94 inHg

8:00 PM

Light rain

82° 💧 0.037 in 💨 4 mph H 79%29.97 inHg

11:00 PM

Clear night

79° 💧 0.092 in 💨 8 mph H 79%29.97 inHg

Thursday

2:00 AM

Light rain

76° 💧 0.175 in 💨 2 mph H 91%29.94 inHg

Today

5:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 81%30.09 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 81%30.09 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 5 mph H 79%30.09 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 71%30.12 inHg

9:00 AM

Mostly cloudy

77° 💧 None 💨 3 mph H 63%30.12 inHg

10:00 AM

Mostly cloudy

82° 💧 None 💨 3 mph H 56%30.12 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 5 mph H 52%30.12 inHg

12:00 PM

Partly cloudy

88° 💧 None 💨 6 mph H 46%30.12 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 5 mph H 42%30.09 inHg

2:00 PM

Sunny

92° 💧 None 💨 6 mph H 40%30.06 inHg

3:00 PM

Sunny

92° 💧 None 💨 6 mph H 39%30.06 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 5 mph H 38%30.03 inHg

5:00 PM

Mostly sunny

92° 💧 None 💨 4 mph H 39%30.03 inHg

6:00 PM

Mostly cloudy

91° 💧 None 💨 4 mph H 41%30.03 inHg

7:00 PM

Partly cloudy

86° 💧 None 💨 3 mph H 53%30.03 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 7 mph H 53%30.03 inHg

9:00 PM

Clear night

83° 💧 None 💨 7 mph H 57%30.06 inHg

10:00 PM

Clear night

82° 💧 None 💨 6 mph H 62%30.09 inHg

11:00 PM

Clear night

81° 💧 None 💨 6 mph H 64%30.09 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 7 mph H 66%30.06 inHg

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 68%30.06 inHg

2:00 AM

Clear night

78° 💧 None 💨 9 mph H 70%30.06 inHg

3:00 AM

Clear night

78° 💧 None 💨 11 mph H 71%30.06 inHg

4:00 AM

Clear night

77° 💧 None 💨 10 mph H 71%30.06 inHg

5:00 AM

Clear night

77° 💧 None 💨 10 mph H 74%30.09 inHg

6:00 AM

Clear night

76° 💧 None 💨 9 mph H 77%30.09 inHg

7:00 AM

Sunny

76° 💧 None 💨 10 mph H 78%30.09 inHg

8:00 AM

Sunny

79° 💧 None 💨 10 mph H 72%30.09 inHg

9:00 AM

Sunny

83° 💧 None 💨 11 mph H 65%30.09 inHg

10:00 AM

Sunny

87° 💧 None 💨 12 mph H 57%30.09 inHg

11:00 AM

Sunny

91° 💧 None 💨 12 mph H 49%30.06 inHg

12:00 PM

Sunny

95° 💧 None 💨 12 mph H 43%30.06 inHg

1:00 PM

Sunny

97° 💧 None 💨 11 mph H 38%30.03 inHg

2:00 PM

Light thunderstorms

90° 💧 0.024 in 💨 13 mph H 51%30.03 inHg

3:00 PM

Light rain

93° 💧 0.014 in 💨 8 mph H 43%30.00 inHg

4:00 PM

Sunny

95° 💧 None 💨 9 mph H 38%29.97 inHg

5:00 PM

Light thunderstorms

93° 💧 0.006 in 💨 9 mph H 42%29.94 inHg

6:00 PM

Mostly sunny

92° 💧 0.001 in 💨 7 mph H 43%29.94 inHg

7:00 PM

Light rain

87° 💧 0.013 in 💨 7 mph H 57%29.97 inHg

8:00 PM

Light rain

82° 💧 0.032 in 💨 4 mph H 79%29.97 inHg

9:00 PM

Light rain

81° 💧 0.005 in 💨 3 mph H 82%29.97 inHg

10:00 PM

Mostly clear night

80° 💧 None 💨 5 mph H 82%29.97 inHg

11:00 PM

Clear night

79° 💧 None 💨 8 mph H 79%29.97 inHg

Thursday

12:00 AM

Light thunderstorms

78° 💧 0.013 in 💨 6 mph H 82%29.97 inHg

1:00 AM

Light thunderstorms

75° 💧 0.079 in 💨 5 mph H 94%29.97 inHg

2:00 AM

Light rain

76° 💧 0.015 in 💨 2 mph H 91%29.94 inHg

3:00 AM

Light thunderstorms

74° 💧 0.004 in 💨 5 mph H 97%29.94 inHg

4:00 AM

Thunderstorms

72° 💧 0.155 in 💨 4 mph H 98%30.00 inHg

5:00 AM

Light thunderstorms

73° 💧 0.090 in 💨 4 mph H 99%29.94 inHg

6:00 AM

Light rain

73° 💧 0.093 in 💨 5 mph H 98%29.97 inHg

7:00 AM

Light rain

72° 💧 0.053 in 💨 6 mph H 97%29.97 inHg

8:00 AM

Thunderstorms

73° 💧 0.131 in 💨 10 mph H 97%30.00 inHg

9:00 AM

Light rain

73° 💧 0.070 in 💨 7 mph H 96%29.97 inHg

10:00 AM

Light rain

75° 💧 0.004 in 💨 8 mph H 91%29.97 inHg

11:00 AM

Overcast

77° 💧 0.003 in 💨 8 mph H 84%29.97 inHg

12:00 PM

Overcast

77° 💧 0.001 in 💨 6 mph H 84%29.97 inHg

1:00 PM

Overcast

78° 💧 0.001 in 💨 7 mph H 82%29.97 inHg

2:00 PM

Overcast

81° 💧 0.001 in 💨 5 mph H 76%29.94 inHg

3:00 PM

Mostly cloudy

81° 💧 0.003 in 💨 6 mph H 75%29.91 inHg

4:00 PM

Light rain

77° 💧 0.036 in 💨 7 mph H 84%29.91 inHg

5:00 PM

Light rain

78° 💧 0.005 in 💨 6 mph H 82%29.91 inHg

6:00 PM

Mostly cloudy

78° 💧 0.000 in 💨 5 mph H 81%29.91 inHg

7:00 PM

Mostly cloudy

76° 💧 0.001 in 💨 4 mph H 85%29.91 inHg

10:00 PM

Overcast night

74° 💧 None 💨 4 mph H 93%29.94 inHg

Friday

1:00 AM

Clear night

71° 💧 None 💨 3 mph H 97%29.97 inHg

4:00 AM

Clear night

69° 💧 None 💨 4 mph H 99%29.97 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 6 mph H 99%30.00 inHg

10:00 AM

Sunny

74° 💧 None 💨 7 mph H 79%30.00 inHg

1:00 PM

Sunny

81° 💧 None 💨 6 mph H 59%29.97 inHg

4:00 PM

Sunny

83° 💧 None 💨 6 mph H 54%29.88 inHg

7:00 PM

Sunny

76° 💧 None 💨 4 mph H 74%29.88 inHg

10:00 PM

Clear night

73° 💧 None 💨 6 mph H 79%29.91 inHg

Saturday

1:00 AM

Clear night

71° 💧 None 💨 6 mph H 83%29.88 inHg

4:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 91%29.88 inHg

7:00 AM

Sunny

71° 💧 None 💨 6 mph H 96%29.88 inHg

10:00 AM

Sunny

81° 💧 None 💨 5 mph H 78%29.94 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 6 mph H 57%29.91 inHg

4:00 PM

Overcast

89° 💧 None 💨 7 mph H 52%29.85 inHg

7:00 PM

Sunny

84° 💧 None 💨 3 mph H 67%29.85 inHg

10:00 PM

Clear night

79° 💧 None 💨 5 mph H 77%29.91 inHg

Sunday

1:00 AM

Partly cloudy night

77° 💧 None 💨 4 mph H 80%29.94 inHg

4:00 AM

Mostly cloudy night

75° 💧 None 💨 4 mph H 85%29.94 inHg

7:00 AM

Partly cloudy

73° 💧 None 💨 4 mph H 93%29.97 inHg

10:00 AM

Mostly sunny

82° 💧 None 💨 7 mph H 74%30.03 inHg

1:00 PM

Sunny

88° 💧 None 💨 5 mph H 59%30.00 inHg

4:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 55%29.97 inHg

7:00 PM

Sunny

83° 💧 None 💨 9 mph H 67%30.00 inHg

Monday

1:00 AM

Clear night

74° 💧 None 💨 6 mph H 85%30.06 inHg

7:00 AM

Sunny

72° 💧 None 💨 6 mph H 97%30.06 inHg

1:00 PM

Mostly sunny

92° 💧 None 💨 7 mph H 53%30.00 inHg

7:00 PM

Overcast

87° 💧 None 💨 7 mph H 57%29.91 inHg

Tuesday

1:00 AM

Partly cloudy night

81° 💧 None 💨 8 mph H 71%29.97 inHg

7:00 AM

Light rain

75° 💧 None 💨 4 mph H 85%30.03 inHg

1:00 PM

Sunny

95° 💧 None 💨 7 mph H 45%30.06 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 5 mph H 87%30.06 inHg

Wednesday

1:00 AM

Clear night

77° 💧 None 💨 3 mph H 97%30.15 inHg

7:00 AM

Light rain

72° 💧 None 💨 7 mph H 97%30.18 inHg

1:00 PM

Light rain

89° 💧 None 💨 4 mph H 61%30.18 inHg

7:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 87%30.18 inHg

Thursday

1:00 AM

Clear night

75° 💧 None 💨 5 mph H 96%30.18 inHg

7:00 AM

Sunny

73° 💧 None 💨 4 mph H 99%30.15 inHg

1:00 PM

Light rain

85° 💧 None 💨 7 mph H 71%30.12 inHg

7:00 PM

Overcast night

75° 💧 None 💨 7 mph H 95%30.09 inHg

Friday

1:00 AM

Clear night

68° 💧 None 💨 12 mph H 82%30.21 inHg

7:00 AM

Sunny

60° 💧 None 💨 14 mph H 79%30.33 inHg

1:00 PM

Sunny

67° 💧 None 💨 13 mph H 44%30.36 inHg

7:00 PM

Clear night

62° 💧 None 💨 11 mph H 58%30.33 inHg

Saturday

1:00 AM

Clear night

54° 💧 None 💨 7 mph H 68%30.33 inHg

7:00 AM

Sunny

50° 💧 None 💨 6 mph H 80%30.36 inHg

1:00 PM

Mostly sunny

67° 💧 None 💨 9 mph H 44%30.27 inHg

7:00 PM

Clear night

62° 💧 None 💨 5 mph H 56%30.15 inHg

Sunday

1:00 AM

Clear night

55° 💧 None 💨 5 mph H 78%30.15 inHg

7:00 AM

Sunny

51° 💧 None 💨 5 mph H 89%30.15 inHg

1:00 PM

Sunny

74° 💧 None 💨 4 mph H 38%30.12 inHg

7:00 PM

Mostly clear night

70° 💧 None 💨 1 mph H 52%30.06 inHg

Monday

1:00 AM

Clear night

61° 💧 None 💨 6 mph H 72%30.06 inHg

7:00 AM

Partly cloudy

61° 💧 None 💨 6 mph H 80%30.09 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 11 mph H 35%30.06 inHg

7:00 PM

Mostly cloudy night

75° 💧 None 💨 6 mph H 47%30.03 inHg

Tuesday

1:00 AM

Overcast night

71° 💧 None 💨 6 mph H 73%30.06 inHg

7:00 AM

Mostly cloudy

66° 💧 None 💨 4 mph H 77%30.12 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 7 mph H 38%30.09 inHg

7:00 PM

Mostly clear night

72° 💧 None 💨 5 mph H 56%30.03 inHg

In Olney and, more broadly, across the state of Illinois: This evening will be mostly sunny with a few clouds, and temperatures will remain mild to warm, ranging from 76 to 79 degrees Fahrenheit. Light east winds will prevail, with speeds up to 9 mph and occasional gusts reaching 22 mph. No precipitation is expected during this time, making for a clear and pleasant evening. Conditions should remain stable through the next few hours, providing comfortable weather for outdoor activities. Temperatures will gradually stay within the same range, and winds are unlikely to cause any disruptions. Overall, it should be a calm and mild evening with clear skies and gentle breezes.

15-Day Weather Outlook for Olney

TomorrowTomorrow

Light thunderstorms 97°/76° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light thunderstorms 87°/72° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 83°/67° 💧 0.747 in 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 89°/70° 💧 0.010 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 89°/73° 💧 0.003 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 92°/72° 💧 0.001 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Light rain 95°/75° 💧 0.022 in 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Light rain 89°/72° 💧 0.204 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 85°/73° 💧 0.387 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Overcast 75°/60° 💧 0.299 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 67°/50° 💧 None 💨 11 mph

Sunday, Sep 20Sun Sep 20

Sunny 74°/51° 💧 None 💨 5 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 85°/61° 💧 None 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 79°/66° 💧 0.001 in 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 72°/72° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Olney

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Olney

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 5:00 AM

PM2.5 Fine particles Good 8,3µg/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 9,1µg/m³

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

O₃ Ozone Good 38,2µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Olney

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 😊Good

Tomorrow UV 7,9High 😐Moderate

Thursday UV 4,2Moderate 🙂Fair

Friday UV 5,2Moderate 🙂Fair

Saturday UV 9,0Very high 😊Good

Sunday UV 9,0Very high —Unavailable

Monday UV 8,0Very high —Unavailable

Hourly UV index today

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

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.

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 Olney

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · OLNEY, ILLINOIS

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

78/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:45 PM–4:56 AM

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon about 15° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 88° 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 min70%

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 Olney were last refreshed today at 4:17 AM. The current forecast period extends through 10/09/2026 at 2:00 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.