Buchanan, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Buchanan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle77%0.04″83°70°—
- SundayJul 5Overcast51%—82°67°-1°
- MondayJul 6Overcast12%—79°59°-3°
- TuesdayJul 7Mostly Clear——78°59°-1°
- WednesdayJul 8Light Drizzle11%—82°61°+4°
- ThursdayJul 9Heavy Drizzle31%0.15″72°62°-10°
- FridayJul 10Overcast31%—82°59°+10°
AQI 38 (Good), driven by PM2.5. AQI down 91 over the last 6 hours — air quality is improving sharply. PM2.5 at 6.6 µg/m³, PM10 at 7.1 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 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 35
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 6.6 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- calm
- Recent rain
- 1h 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:43 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Buchanan at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49107
15-Day Forecast — Buchanan
- Sat84°70°77%
- Sun82°67°51%
- Mon79°59°12%
- Tue78°59°5%
- Wed82°61°11%
- Thu72°62°31%
- Fri82°59°31%
- Sat81°63°17%
- Sun74°64°10%
- Mon87°64°12%
- Tue72°63°12%
- Wed74°61°16%
- Thu78°59°39%
- Fri75°65°32%
- Sat77°61°15%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Buchanan
SPC includes Buchanan in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Buchanan peaks at about 75°F in July and bottoms near 24°F in January; May brings the heaviest rain (4.3 inches) and January the least (2.2 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 2.2″ | 21 |
| February | 27° | 2.3″ | 17 |
| March | 37° | 3.1″ | 19 |
| April | 49° | 3.8″ | 18 |
| May | 59° | 4.3″ | 17 |
| June | 69° | 4.2″ | 16 |
| July | 75° | 3.5″ | 15 |
| August | 74° | 3.2″ | 14 |
| September | 67° | 3.6″ | 14 |
| October | 54° | 3.1″ | 14 |
| November | 41° | 3.3″ | 18 |
| December | 29° | 2.8″ | 20 |
Regional context
In Buchanan, NOAA NCEI 1991-2020 normals put January near 24°F and July near 75°F — a 50°F seasonal arc — with about 39.3 inches of precipitation over 203 rainy or snowy days.
No season owns Buchanan's rain: May reaches 4.3 inches across 17.5 days and January keeps 2.2 inches on 20.9, an even spread through Buchanan's year. It is a balanced pattern Buchanan shares with places like Niles, MI, Galien, MI and Berrien Springs, MI.
Around mid-April, Buchanan sheds its freezing nights — kale, peas, spinach, and parsnips go into Buchanan's beds. Tomatoes and peppers do best set out two weeks later in Buchanan, once nights clear the mid-40s°F. By mid-November, frost is back in Buchanan — protect or harvest anything tender. Buchanan's low ground holds frost later into spring than Buchanan's benches, which run 3-5 days ahead.
Similar climates: Niles, MI, Galien, MI, Berrien Springs, MI, New Troy, MI, Baroda, MI.
Frequently asked
- When does it freeze in Buchanan?
- Frost typically leaves Buchanan by mid-April and returns to Buchanan near mid-November.
- What is the rainy season in Buchanan?
- Rainfall in Buchanan peaks in May near 4.3 inches, out of about 39 inches annually.
- What is the warmest month in Buchanan?
- July is Buchanan's warmest month, averaging about 75°F.
- What is the coldest month in Buchanan?
- Buchanan bottoms out in January, with a mean near 24°F.
- When can I start a vegetable garden in Buchanan?
- Frost-hardy sowings begin at mid-April in Buchanan; warm-season starts follow two weeks on.
- How many rainy days does Buchanan get?
- Buchanan averages about 203 days with measurable rain or snow each year.
- What hardiness zone is Buchanan?
- Buchanan's hardiness zone tracks its winter low; with January near 24°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Buchanan?
- Buchanan'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 Buchanan?
- See this week's day-by-day rain chances for Buchanan in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Buchanan?
- Current conditions for Buchanan and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Buchanan forecast updated?
- The Buchanan forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Buchanan?
- Today's sunrise and sunset times for Buchanan 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 Buchanan?
- The next few days in Buchanan's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Buchanan, Michigan has a warm-summer humid continental climate: January averages roughly 24°F, July about 75°F, 51°F between them.
In a typical year Buchanan records about 39 inches of precipitation on around 203 days.
Latitude 41.8°N gives Buchanan its 51°F swing, and with it the rhythm of Buchanan's growing season.
ZIP codes in Buchanan
- 49107