Now

84°

10%

12 mph

17:00

84°

11 mph

18:00

83°

9 mph

19:00

79°

13%

8 mph

20:00

76°

15%

8 mph

21:00

74°

18%

7 mph

22:00

73°

13%

7 mph

23:00

72°

10%

6 mph

00:00

70°

26%

6 mph

01:00

69°

22%

6 mph

02:00

67°

21%

5 mph

03:00

66°

15%

6 mph

04:00

65°

17%

6 mph

05:00

65°

15%

5 mph

06:00

64°

14%

5 mph

07:00

65°

13%

1 mph

08:00

66°

11%

3 mph

09:00

69°

14%

3 mph

10:00

73°

2 mph

11:00

76°

1 mph

12:00

78°

3 mph

13:00

79°

4 mph

14:00

80°

5 mph

15:00

81°

13%

5 mph

10-day forecast

Updated 4:04 PM

Mon · Today · 17 Aug Heavy rain

87° 72° 9.18 in

Tue · Tomorrow · 18 Aug Partly cloudy

81° 64° 10%

Wednesday · 19 Aug Showers

81° 66° 1.53 in

Thursday · 20 Aug Showers

81° 68° 0.24 in

Friday · 21 Aug Sunny

80° 62° 7%

Saturday · 22 Aug Sunny

80° 65° 8%

Sunday · 23 Aug Sunny

83° 66° 8%

Monday · 24 Aug Mostly cloudy

79° 71° 18%

Tuesday · 25 Aug Sunny

86° 72° 10%

Wednesday · 26 Aug Sunny

80° 64° 14%

Details & indices

Wind

12 mph NW

Gusts 14 mph

Humidity

52%

Dew point 65°

Pressure

30.00 inHg

Rising

UV index

8 — Very high

High today

Air Quality

Good

AQI 47 · US EPA

Allergy

None detected

—

Visibility

6 mi

Clear view

Allergy — Olney

🌿 Conditions right now

View all →

Birch

None

Grass

None

Oak

None

Alder

None

Hazel

None

Mugwort

None

Ragweed

None

Sun & moon

Sunrise6:08 AM

Sunset7:44 PM

Length of day13h 36m

Moonrise11:31 AM

Moonset10:04 PM

Moon phase🌒 Waxing Crescent · 29%

Next full moonAug 27 Sturgeon Moon

Latitude38.7309°N

Longitude-88.0853°E

Water temps nearby

View all →

No beaches within 50 miles

🌤️No rain expected in the next 90 minutes

Now+30+60+90 min

Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast

Laundry day

Fair

Line-drying weather

Grilling

Poor

Fire up the grill

Running

Poor

Lace up outside

Patio

Fair

Dinner outdoors

Nearby places in {{REGION}}

Data sources · Monday, August 17

Where the Olney forecast comes from

This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 38.7309°N, -88.0853°.

NBM + global weather models

Updated: 4:04 PM

ZIP codes in Olney

📮

📮

📮

📮

62450

Olney

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📮

Weather in Olney

Over the next 10 days Olney tops out around 87° (Monday) and dips to 62° on the coolest night (Friday). Models drop roughly 10.9 in of precipitation across the stretch — watch Wednesday (87%). Wind is the one to watch: gusts to 34 mph around Wednesday. No active NWS alerts at the moment — quiet on the hazards front. Right now Olney is running about 6° warmer than Indianapolis. Longer view: variable mid-latitude weather in every season.

Olney, IL · Elev 479 ft · 38.73°N, 88.09°W · Illinois · Forecast computed for these exact coordinates

Olney, IL Weather (62450)

Weather map — Olney

Today · Mon 8/17

Tonight · Mon 8/17

Tomorrow · Tue 8/18

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner