Flint, Michigan Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
Flint weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast18%—79°67°—
- MondayAug 3Clear——82°59°+3°
- TuesdayAug 4Clear——90°57°+8°
- WednesdayAug 5Overcast11%—93°58°+3°
- ThursdayAug 6Light Drizzle53%—82°64°-11°
- FridayAug 7Overcast37%—94°61°+12°
- SaturdayAug 8Thunderstorm11%0.07″94°65°0°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 3.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.6 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).








































Red sky at night, sailor's delight.
- Moonrise
- 10:19 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
Flint at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 48502, 48503, 48504, 48505, 48506, 48507, 48532
16-Day Forecast — Flint
- Sun79°67°18%
- Mon82°59°0%
- Tue90°57°0%
- Wed93°58°11%
- Thu82°64°53%
- Fri94°61°37%
- Sat94°65°11%
- Sun101°66°33%
- Mon83°65°33%
- Tue87°60°18%
- Wed79°66°21%
- Thu89°68°34%
- Fri97°71°35%
- Sat90°68°21%
- Sun82°58°21%
- Mon72°61°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Flint
Right now in the garden
Peak growing season
As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Flint
SPC includes Flint in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Sun & seasons in Flint
Flint sits in Genesee County, where the year’s longest day runs 15h 22m of daylight and its shortest just 9h 0m — a swing of +6h 22m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Detroit, the state’s largest city, lies about 53 miles to the SE. The nearest town Flint tracks is South Lyon, roughly 39 miles to the S.
Air quality in Flint’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 38). See the full air-quality history for Flint.
Microseason · August 1–5
Night falls a minute earlier
Sunset retreats perceptibly — daylight shortening speeds up.
Day 214 of 365 · Wedge 43 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Flint peaks at about 71°F in July and bottoms near 23°F in January; May brings the heaviest rain (3.7 inches) and February the least (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 2.1″ | 6 |
| February | 25° | 1.7″ | 4 |
| March | 33° | 1.9″ | 5 |
| April | 46° | 3.4″ | 7 |
| May | 57° | 3.7″ | 7 |
| June | 67° | 3.1″ | 6 |
| July | 71° | 3.4″ | 6 |
| August | 69° | 3.3″ | 6 |
| September | 62° | 2.9″ | 6 |
| October | 50° | 3.0″ | 7 |
| November | 39° | 2.4″ | 6 |
| December | 29° | 2.1″ | 6 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Flint's January averages 23°F and July 71°F — 48°F apart — while precipitation totals roughly 32.9 inches over some 71 days.
Summer convection drives Flint's precipitation: May logs 3.7 inches on 7.1 rainy days, against February's 1.7 inches on 4.4 — warm-season storms carry Flint's moisture. That puts Flint in a summer-convective cohort with places like Burton, MI, Beecher, MI and Mount Morris, MI.
The cool-season window in Flint starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Flint wait about two weeks past Flint's last frost, once the soil warms. Flint's window closes around early-October as overnight lows return below freezing. In Flint, low spots run 4-7°F colder than nearby slopes, nudging Flint's frost dates a week.
Similar climates: Burton, MI, Beecher, MI, Mount Morris, MI, Grand Blanc, MI, Swartz Creek, MI.
Naturalist notes
Red-winged blackbirds return to Flint's wetlands in late March, their distinctive calls marking the shift toward spring.
Sugar maples begin leafing out in early May when soil temperatures warm sufficiently after the final winter freeze.
Frequently asked
- When does it freeze in Flint?
- In Flint, expect the last spring frost near mid-May; Flint's first autumn frost comes around mid-October.
- What is the rainy season in Flint?
- Flint sees its heaviest rain in May (around 3.7 inches), part of roughly 33 inches a year.
- What is the warmest month in Flint?
- On average July tops the year in Flint at about 71°F.
- What is the coldest month in Flint?
- The coldest stretch in Flint falls in January, around 23°F on average.
- When can I start a vegetable garden in Flint?
- Around mid-May, start frost-hardy crops in Flint; tomatoes and basil belong a fortnight later.
- How many rainy days does Flint get?
- Expect roughly 71 wet days a year in Flint.
- What hardiness zone is Flint?
- Since January in Flint averages 23°F, Flint's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Flint?
- Flint'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 Flint?
- See this week's day-by-day rain chances for Flint in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Flint?
- Current conditions for Flint and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Flint forecast updated?
- The Flint forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Flint?
- Today's sunrise and sunset times for Flint 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 Flint?
- The next few days in Flint's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Flint, Michigan swings from 23°F in the heart of winter to 71°F at midsummer — a 48°F arc.
In a typical year Flint records about 33 inches of precipitation on around 71 days.
Flint sits at 43.0°N; that 48°F seasonal swing frames planting windows and frost dates across Flint.
ZIP codes in Flint
- 48502
- 48504
- 48505
- 48506
- 48507
- 48503
- 48550
- 48551
- 48552
- 48553
- 48556
- 48557