Plano, TX Weather
Plano hourly forecast: next 24 hours
Today's high of 104°F (40°C) is about 11°F (6°C) above the typical August high of 93°F (34°C).
Current conditions in detail
Plano weather tomorrow (Friday, August 7)
Tomorrow in Plano looks partly cloudy, with a high of 104° and an overnight low of 83°. Precipitation chance is modest at 17%. Winds top out near 16 mph, and the UV index reaches 10 (very high).
Plano 14-day forecast
About the weather in Plano
Plano has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 55°F (13°C) in January to around 94°F (34°C) in July, and the city records roughly 113 days of measurable precipitation a year.
Plano weather: quick facts
- Hottest month: July - highs near 94°F (34°C)
- Coldest month: January - highs near 55°F (13°C)
- Record high: 109°F (43°C) · Record low: -6°F (-21°C) (2015–2024)
- Wettest month: May (15 rainy days) · Sunniest: July (12.1 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 1 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 94°F (34°C) and overnight lows stay near 77°F (25°C). The coolest month is January, with typical highs of 55°F (13°C) and lows around 37°F (3°C). Based on 2015–2024 weather data, temperatures have reached as high as 109°F (43°C) and dropped as low as -6°F (-21°C).
Rain, sun and snow
May is usually the wettest month. It brings about 8.3 inches (211 mm) of rain over 15 days, while July is the driest. July brings the most sunshine, averaging 12.1 hours of sun a day. Snowfall is rare but not unheard of.
Season by season
Spring (March through May)
Spring in Plano brings comfortable warmth, with daytime highs averaging 74°F (24°C) and nights around 57°F (14°C); expect showers on roughly 36 days across the season.
Summer (June through August)
Summer in Plano turns very hot, with daytime highs averaging 92°F (33°C) and nights around 75°F (24°C); expect showers on roughly 28 days across the season.
Fall (September through November)
Fall in Plano is mild and warm, with daytime highs averaging 77°F (25°C) and nights around 60°F (15°C); expect showers on roughly 24 days across the season.
Winter (December through February)
Winter in Plano is mild, with daytime highs averaging 58°F (14°C) and nights around 40°F (4°C); expect showers on roughly 24 days across the season.
Average temperatures in Plano by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 55° | 37° | 7 | 2.8 in | 7.3 h/day | 66% |
| February | 59° | 40° | 9 | 4.1 in | 7.1 h/day | 69% |
| March | 68° | 50° | 11 | 4.9 in | 8.0 h/day | 68% |
| April | 74° | 55° | 11 | 6.7 in | 9.1 h/day | 68% |
| May | 82° | 65° | 15 | 8.3 in | 9.4 h/day | 74% |
| June | 89° | 72° | 10 | 4.9 in | 11.4 h/day | 70% |
| July | 94° | 77° | 9 | 2.5 in | 12.1 h/day | 62% |
| August | 93° | 77° | 9 | 4.5 in | 11.7 h/day | 61% |
| September | 88° | 71° | 9 | 4.3 in | 10.3 h/day | 64% |
| October | 78° | 60° | 8 | 6.3 in | 9.1 h/day | 62% |
| November | 66° | 49° | 8 | 3.9 in | 7.5 h/day | 70% |
| December | 59° | 42° | 8 | 3.8 in | 6.9 h/day | 70% |