Frisco, Texas Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Frisco weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:20 AM CDT · Open-Meteo
- TodaySep 21Clear——95°74°—
- TuesdaySep 22Overcast——92°73°-3°
- WednesdaySep 23Overcast——96°75°+4°
- ThursdaySep 24Overcast——96°71°0°
- FridaySep 25Overcast——95°70°-1°
- SaturdaySep 26Overcast——95°73°0°
- SundaySep 27Light Drizzle11%—101°79°+6°
Air quality now AQI 54 · Moderate
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 2.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.85
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:43 PM
- Moonset
- 2:10 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Frisco at a glance
- Today vs. normal: Today averages 85°F (high 95°F, low 74°F), 10°F above the 75°F normal for Sep 21
- Last frost: March 7 (1991–2020 median, NOAA station 19 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Frisco
- Mon95°74°6%
- Tue92°73°6%
- Wed96°75°6%
- Thu96°71°1%
- Fri95°70°1%
- Sat95°73°5%
- Sun101°79°11%
- Mon100°76°22%
- Tue87°73°31%
- Wed92°70°17%
- Thu92°71°14%
- Fri91°72°13%
- Sat87°71°16%
- Sun80°63°7%
- Mon76°53°10%
- Tue78°53°9%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Frisco
Interactive wind and temperature map centered on Frisco — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 21) is about 9 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Frisco
SPC includes Frisco in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Frisco
Frisco sits in Collin County, where the year’s longest day runs 14h 21m of daylight and its shortest just 9h 57m — a swing of +4h 23m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 248 miles to the SSE. The nearest town Frisco tracks is Plano, roughly 8 miles to the SSE.
Air quality in Frisco
Air quality in Frisco’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 37). See the full air-quality history for Frisco.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
July is Frisco's warmest stretch (~85°F) and January its coldest (~46°F); precipitation crests in October at 5.3 inches and ebbs in July to 2.2 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 46° | 2.8″ | 5 |
| February | 50° | 3.4″ | 5 |
| March | 58° | 3.6″ | 6 |
| April | 65° | 3.5″ | 5 |
| May | 73° | 5.2″ | 7 |
| June | 81° | 3.8″ | 5 |
| July | 85° | 2.2″ | 4 |
| August | 85° | 2.5″ | 4 |
| September | 77° | 3.3″ | 4 |
| October | 67° | 5.3″ | 6 |
| November | 56° | 3.0″ | 4 |
| December | 48° | 3.4″ | 4 |
Regional context
Similar climates Hackberry, TX, Prosper, TX, The Colony, TX
Per NOAA NCEI 1991-2020 normals, Frisco runs from a 46°F January mean to 85°F in July, a 39°F seasonal spread, with near 41.9 inches of precipitation across about 57 wet days.
No season owns Frisco's rain: October reaches 5.3 inches across 5.6 days and July keeps 2.2 inches on 3.5, an even spread through Frisco's year. It is a balanced pattern Frisco shares with places like Hackberry, TX, Prosper, TX and The Colony, TX.
Around March 7, Frisco sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Frisco's beds. Frisco's heat-lovers — tomatoes, peppers, squash — hold off until Frisco's frost risk clears, 10-14 days on. By November 21, frost is back in Frisco — protect or harvest anything tender. Open lawns in Frisco whiten first when frost returns.
Similar climates: Hackberry, TX, Prosper, TX, The Colony, TX, Little Elm, TX, Savannah, TX.
Frequently asked
- When does it freeze in Frisco?
- Frost typically leaves Frisco by March 7 and returns to Frisco near November 21.
- What is the rainy season in Frisco?
- October is the wettest month in Frisco, about 5.3 inches on average; the year totals roughly 42 inches.
- What is the warmest month in Frisco?
- The warmest stretch in Frisco comes in July, around 85°F on average.
- What is the coldest month in Frisco?
- On average January is the chilliest month in Frisco, about 46°F.
- When can I start a vegetable garden in Frisco?
- Frost-hardy sowings begin at March 7 in Frisco; warm-season starts follow two weeks on.
- How many rainy days does Frisco get?
- Expect roughly 57 wet days a year in Frisco.
- What hardiness zone is Frisco?
- Frisco's USDA zone comes from its January mean (46°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Frisco?
- Frisco's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Frisco?
- See this week's day-by-day rain chances for Frisco in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Frisco?
- Current conditions for Frisco and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Frisco forecast updated?
- The Frisco forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Frisco?
- Today's sunrise and sunset times for Frisco are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Frisco?
- The next few days in Frisco's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Frisco sits at 33.2°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Frisco
- 75033
- 75034
- 75035
- 75036