Today
Sun, Jun 21
Thunderstorm
91°74°
- Rain chance
- 1%
- Precip
- 0 in
- Max wind
- 18 mph
Texas, United States · Chicago time · 33.10°, -96.67°
Current conditions · 10:00 AM local
82°F
Clear sky
Feels like 85°F
21
Good
US AQI · European AQI 26
Air quality in Allen is currently good, with a US AQI of 21 (European AQI 26). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 6.7 µg/m³.
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now in Allen, it's clear sky with the temperature at 28 °C. It feels warmer than it reads, more like 30 °C. Wind is from the S at 24 km/h, gusting to 40 km/h. Humidity stands at 76% with sea-level pressure near 1008 hPa.
Thunderstorm
Thunderstorm
A steady stretch: highs near 97°, lows around 76°, and no day above a 11% rain chance through Saturday.
Expect thunderstorm today, between 24 °C and 33 °C. Gusts may reach 45 km/h from the S. Expect thunderstorm tomorrow, between 24 °C and 30 °C. Gusts may reach 54 km/h from the SSE. Tuesday brings thunderstorm with a high of 35 °C and a low of 24 °C. Gusts may reach 43 km/h from the S.
Today
Sun, Jun 21
Thunderstorm
91°74°
Tomorrow
Mon, Jun 22
Thunderstorm
87°74°
Tuesday
Tue, Jun 23
Thunderstorm
95°76°
The weather picture for Allen opens with clear sky; it's 28 °C out, feeling like 30 °C. Today's forecast calls for thunderstorm, topping out near 33 °C before falling back to 24 °C overnight. Winds blow mainly from the S around 28 km/h, with gusts up to 45 km/h. Daytime highs hold fairly steady this week, staying within 30 to 36 °C. Rain is in the picture on tomorrow, with roughly 4 mm expected in total across the week. Tomorrow brings thunderstorm with a high of 30 °C and a 14% chance of precipitation. The UV index reaches 8 today, so sun protection is sensible during the middle of the day. Sunrise comes at 06:18 and sunset at 20:38, giving 14.3 hours of daylight. Current humidity sits at 76% with pressure near 1008 hPa. Looking further out, Thursday shows overcast with a high around 36 °C, while Saturday ends the week at 35 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Soil temperatures today read surface 28.2 °C, 6 cm 29.4 °C, 18 cm 29 °C, 54 cm 25.5 °C. Soil moisture sits at 0-1 cm at 0.3 m³/m³, 3-9 cm at 0.34 m³/m³, 27-81 cm at 0.35 m³/m³. For maize, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 53 mm against only 4 mm of expected rain — a 49 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 10:00 on 2026-06-22, with winds at or below 15 km/h and no rain expected. Heat stress is likely for maize with highs reaching 36 °C (threshold 35 °C). Heat stress is likely for wheat with highs reaching 36 °C (threshold 32 °C). Projected growing degree days over the next week: maize 136, wheat 174.
No weather alert thresholds are crossed for Allen in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
| Variable | Value |
|---|---|
| City | Allen, Texas, United States |
| Coordinates | 33.10317, -96.67055 |
| Elevation | 201 m |
| Timezone | America/Chicago |
| Population | 98,143 |
| Observed at (local) | 10:00 AM |
| Temperature (2 m) | 82°F |
| Apparent temperature | 85°F |
| Relative humidity (2 m) | 76% |
| Dew point (2 m) | 73°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 0 |
| Cloud cover | 13% |
| Surface pressure | 29.1 inHg |
| Sea-level pressure | 29.8 inHg |
| Wind speed (10 m) | 15 mph |
| Wind gusts (10 m) | 25 mph |
| Wind direction (10 m) | 179° (S) |
| Visibility | 11.3 mi |
| UV index | 3.95 |
| Day / night | Day |
| Today max / min | 91°F / 74°F |
| Today feels-like max / min | 95°F / 79°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 1% |
| Today max wind / gusts | 18 mph / 28 mph |
| Dominant wind direction | 181° (S) |
| Sunrise / sunset | 6:18 AM / 8:38 PM |
| Daylight duration | 14h 20m |
| Sunshine duration | 13h 37m |
| Max UV index | 7.95 |
| Reference evapotranspiration (ET₀) | 5.95 mm |
| Topsoil moisture (0–1 cm) | 0.343 m³/m³ |
| Surface soil temperature | 80°F |
| US AQI | 21 |
| European AQI | 26 |
| PM2.5 | 6.7 µg/m³ |
| PM10 | 8.3 µg/m³ |
| Ozone (O₃) | 65 µg/m³ |
| Nitrogen dioxide (NO₂) | 3.6 µg/m³ |
| Sulphur dioxide (SO₂) | 1.6 µg/m³ |
| Carbon monoxide (CO) | 122 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/us/texas/allen" width="320" height="180" frameborder="0" title="Allen weather" loading="lazy"></iframe>Rain is unlikely in Allen tomorrow; the precipitation chance stays around 14%.
Today Allen sees thunderstorm with a high of 33 °C and a low of 24 °C.
Tomorrow's high in Allen is forecast at 30 °C with thunderstorm.
Yes, yes — gusts up to 45 km/h today.
The UV index peaks at 8 today, which is high.
The sun rises at 06:18 and sets at 20:38 local time.
Air quality is good right now, with a US AQI reading of 21.