weathermetro
Cities / United States
/ Nebraska
☀️ McLean weather
Clear sky. .
Feels like 18° Wind 12 km/h S Humidity 77% Pressure 1015 hPa UV 7 Air Good ☀ 06:42 - 20:23
⚠ Dense Fog Advisory · Moderate Dense Fog Advisory issued August 20 at 2:17AM CDT until August 20 at 10:00AM CDT by NWS Omaha/Valley NE
Right now it is 18° in McLean with clear skies and today's high is 26° with an overnight low of 15° . The sun rises at 06:42 and sets at 20:23, giving 13h 41m of daylight. Over the coming week highs range from 27° to 31° .
McLean is in Nebraska, United States, sitting 563 m above sea level. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.
Next 24 hours - temperature
17°
22°
27°
26°
18°
09:00 · 17.7° · 0 mm
10:00 · 19.6° · 0 mm
11:00 · 20.8° · 0 mm
12:00 · 22.2° · 0 mm
13:00 · 23.6° · 0 mm
14:00 · 24.9° · 0 mm
15:00 · 25.8° · 0 mm
16:00 · 26.2° · 0 mm
17:00 · 26.4° · 0 mm
18:00 · 26.2° · 0 mm
19:00 · 25.2° · 0 mm
20:00 · 23.7° · 0 mm
21:00 · 22.5° · 0 mm
22:00 · 21.8° · 0 mm
23:00 · 21.5° · 0 mm
00:00 · 20.9° · 0 mm
01:00 · 20.4° · 0 mm
02:00 · 19.8° · 0 mm
03:00 · 19.5° · 0 mm
04:00 · 19.3° · 0 mm
05:00 · 19.1° · 0 mm
06:00 · 18.9° · 0 mm
07:00 · 18.8° · 0 mm
08:00 · 19.5° · 0 mm
Precipitation
09:00 · 0 mm
09:00
10:00 · 0 mm
11:00 · 0 mm
12:00 · 0 mm
12:00
13:00 · 0 mm
14:00 · 0 mm
15:00 · 0 mm
15:00
16:00 · 0 mm
17:00 · 0 mm
18:00 · 0 mm
18:00
19:00 · 0 mm
20:00 · 0 mm
21:00 · 0 mm
21:00
22:00 · 0 mm
23:00 · 0 mm
00:00 · 0 mm
00:00
01:00 · 0 mm
02:00 · 0 mm
03:00 · 0 mm
03:00
04:00 · 0 mm
05:00 · 0 mm
06:00 · 0 mm
06:00
07:00 · 0 mm
08:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
09:00
☀️
17.7°
16.7°
-
Clear sky
10:00
☀️
19.6°
18.9°
-
Clear sky
11:00
☀️
20.8°
20.5°
-
Clear sky
12:00
☀️
22.2°
21.3°
-
Clear sky
13:00
☀️
23.6°
22.5°
-
Clear sky
14:00
☀️
24.9°
23.7°
-
Clear sky
15:00
☀️
25.8°
24.6°
-
Clear sky
16:00
☀️
26.2°
25.2°
-
Clear sky
17:00
☀️
26.4°
26.1°
-
Clear sky
18:00
☀️
26.2°
25.8°
-
Clear sky
19:00
☀️
25.2°
25.2°
-
Clear sky
20:00
☀️
23.7°
24.5°
-
Clear sky
☀️
TodayAugust 20th
Avg 21° Low 15° at 06:00
High 26° at 17:00
Wind ~21 km/h
Clear
Clear
00:00
18°
02:00
17°
04:00
17°
06:00
15°
08:00
16°
10:00
20°
12:00
22°
14:00
25°
16:00
26°
18:00
26°
20:00
24°
22:00
22°
☀️
FridayAugust 21st
Avg 24° Low 19° at 07:00
High 30° at 14:00
Wind ~12 km/h
Clear
Cloudy
00:00
21°
02:00
20°
04:00
19°
06:00
19°
08:00
20°
10:00
24°
12:00
28°
14:00
30°
16:00
29°
18:00
28°
20:00
26°
22:00
23°
☁️
SaturdayAugust 22nd
Avg 23° Low 18° at 07:00
High 29° at 16:00
Wind ~17 km/h
Clear
Cloudy
Clear
00:00
22°
02:00
21°
04:00
20°
06:00
19°
08:00
19°
10:00
23°
12:00
26°
14:00
28°
16:00
29°
18:00
29°
20:00
23°
22:00
20°
☁️
SundayAugust 23rd
Avg 20° Low 15° at 07:00
High 27° at 15:00
0.1 mm rain Feels 24° Wind ~25 km/h
Cloudy
Cloudy
Cloudy
Clear
00:00
19°
02:00
17°
04:00
16°
06:00
15°
08:00
17°
10:00
21°
12:00
24°
14:00
26°
16:00
23°
18:00
21°
20:00
19°
22:00
19°
🌦️
MondayAugust 24th
Avg 22° Low 15° at 07:00
High 30° at 17:00
1.7 mm rain Wind ~24 km/h
Clear
Clear
Clear
Clear
00:00
18°
02:00
18°
04:00
16°
0.7mm
06:00
15°
0.7mm
08:00
16°
10:00
20°
0.3mm
12:00
25°
14:00
28°
16:00
29°
18:00
29°
20:00
26°
22:00
24°
⛅
TuesdayAugust 25th
Avg 25° Low 21° at 06:00
High 31° at 13:00
0.3 mm rain Feels 33° Wind ~16 km/h
Cloudy
Partly Cloudy
Cloudy
Rain
Clear
00:00
22°
02:00
21°
04:00
21°
06:00
21°
08:00
22°
10:00
27°
12:00
30°
14:00
31°
0.1mm
16:00
30°
0.1mm
18:00
29°
20:00
26°
22:00
22°
☀️
WednesdayAugust 26th
Avg 24° Low 17° at 06:00
High 30° at 16:00
Feels 28° Wind ~19 km/h
Clear
00:00
21°
02:00
20°
04:00
18°
06:00
17°
08:00
19°
10:00
24°
12:00
27°
14:00
30°
16:00
30°
18:00
29°
20:00
26°
22:00
22°
☀️
ThursdayAugust 27th
Avg 23° Low 15° at 06:00
High 30° at 16:00
Feels 28° Wind ~28 km/h
Clear
00:00
20°
02:00
18°
04:00
16°
06:00
15°
08:00
17°
10:00
23°
12:00
27°
14:00
30°
16:00
30°
18:00
29°
20:00
27°
22:00
23°
🌤️
FridayAugust 28th
Avg 28° Low 19° at 05:00
High 38° at 16:00
0.6 mm rain Wind ~30 km/h
Rain
Clear
Partly Cloudy
00:00
23°
02:00
21°
0.1mm
04:00
19°
0.1mm
06:00
19°
0.1mm
08:00
21°
10:00
26°
12:00
31°
14:00
35°
16:00
38°
18:00
36°
20:00
33°
22:00
28°
🌦️
SaturdayAugust 29th
Avg 26° Low 20° at 06:00
High 34° at 16:00
2.1 mm rain Wind ~17 km/h
Rain
Cloudy
Clear
00:00
26°
02:00
24°
0.7mm
04:00
21°
0.7mm
06:00
20°
08:00
21°
10:00
23°
12:00
27°
14:00
31°
16:00
34°
18:00
32°
20:00
28°
22:00
23°
☀️
SundayAugust 30th
Avg 27° Low 19° at 06:00
High 37° at 15:00
Feels 32° Wind ~24 km/h
Clear
00:00
22°
02:00
21°
04:00
20°
06:00
19°
08:00
22°
10:00
28°
12:00
33°
14:00
36°
16:00
36°
18:00
33°
20:00
30°
22:00
27°
☁️
MondayAugust 31st
Avg 28° Low 23° at 23:00
High 32° at 14:00
Wind ~28 km/h
Partly Cloudy
Cloudy
00:00
27°
02:00
27°
04:00
27°
06:00
24°
08:00
24°
10:00
26°
12:00
30°
14:00
32°
16:00
31°
18:00
31°
20:00
28°
22:00
25°
⛅
TuesdaySeptember 1st
Avg 24° Low 18° at 06:00
High 32° at 16:00
Wind ~18 km/h
Clear
Partly Cloudy
00:00
22°
02:00
20°
04:00
19°
06:00
18°
08:00
20°
10:00
23°
12:00
27°
14:00
30°
16:00
32°
18:00
30°
20:00
27°
22:00
23°
☁️
WednesdaySeptember 2nd
Avg 24° Low 18° at 06:00
High 34° at 15:00
Wind ~21 km/h
Partly Cloudy
Clear
Cloudy
Clear
00:00
22°
02:00
20°
04:00
19°
06:00
18°
08:00
20°
10:00
25°
12:00
29°
14:00
32°
16:00
34°
18:00
29°
20:00
23°
22:00
19°
☀️
ThursdaySeptember 3rd
Avg 24° Low 15° at 06:00
High 34° at 16:00
Feels 30° Wind ~17 km/h
Clear
00:00
18°
02:00
18°
04:00
16°
06:00
15°
08:00
19°
10:00
26°
12:00
31°
14:00
33°
16:00
34°
18:00
32°
20:00
28°
22:00
21°
☀️
FridaySeptember 4th
Avg 28° Low 18° at 06:00
High 39° at 17:00
0.4 mm rain Feels 32° Wind ~37 km/h
Clear
Partly Cloudy
Clear
Rain
00:00
20°
02:00
19°
04:00
19°
06:00
18°
08:00
21°
10:00
27°
12:00
31°
14:00
35°
16:00
38°
18:00
38°
20:00
35°
0.1mm
22:00
30°
0.1mm
Sun
☀️ Sunrise 06:42 · Sunset 20:23
13h 41m of daylight · America/Chicago
Air quality
PM2.5 4.8 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about McLean weather
Will it rain in McLean today?
No rain is in the forecast for McLean today.
What is the temperature in McLean right now?
It is 18° in McLean right now. Today runs between a low of 15° and a high of 26° .
What time is sunrise and sunset in McLean?
The sun rises at 06:42 and sets at 20:23 local time in McLean today, giving 13h 41m of daylight.
What is the air quality in McLean?
PM2.5 in McLean is currently 4.8 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the McLean forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers McLean best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC