🇺🇸 Weather in Allen
Map Overlays:
Hourly Forecast for Allen
08:00
27°
10%
09:00
27°
22%
10:00
28°
15%
11:00
29°
13%
12:00
30°
4%
13:00
32°
2%
14:00
32°
2%
15:00
33°
2%
16:00
33°
2%
17:00
34°
0%
18:00
33°
1%
19:00
32°
2%
20:00
30°
1%
21:00
30°
1%
22:00
29°
1%
23:00
28°
1%
00:00
28°
1%
01:00
27°
2%
02:00
26°
2%
03:00
26°
2%
04:00
25°
3%
05:00
24°
5%
06:00
24°
6%
07:00
24°
6%
14-Day Forecast for Allen
2026-06-08
Partly Cloudy
34° /
26°
2026-06-09
Sunny
34° /
24°
2026-06-10
Sunny
35° /
24°
2026-06-11
Sunny
35° /
24°
2026-06-12
Partly Cloudy
36° /
25°
2026-06-13
Partly Cloudy
35° /
27°
2026-06-14
Sunny
37° /
26°
Additional Forecasts for Allen
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 120.0 μg/m³
O₃ (Ozone) 32.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.2 μg/m³
SO₂ (Sulphur Dioxide) 2.0 μg/m³
PM2.5 (Fine particles) 8.6 μg/m³
PM10 (Coarse particles) 10.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Allen — FAQ
Answers refreshed each request based on current conditions in Allen.
What is the weather like right now in Allen?
Right now in Allen, United States the temperature is 26.3°C (feels like 29.9°C), with partly cloudy. Relative humidity is 89% and wind is 21.2 km/h.
What is today's high and low temperature in Allen?
Today's forecast high in Allen is 33.8°C and the overnight low is 25.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Allen today?
The chance of precipitation in Allen today is 5%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Allen differ from nearby cities?
Even short distances can change temperatures noticeably. Allen's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.