Galesburg, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Galesburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers75%0.67″83°70°—
- SundayJul 5Heavy Rain39%0.35″81°69°-2°
- MondayJul 6Overcast——79°60°-2°
- TuesdayJul 7Partly Cloudy——82°57°+3°
- WednesdayJul 8Light Drizzle——82°61°0°
- ThursdayJul 9Light Drizzle24%—75°63°-7°
- FridayJul 10Overcast24%—81°61°+6°
AQI 46 (Good), driven by Ozone. AQI down 38 over the last 6 hours — air quality is improving sharply. Ozone at AQI 38 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
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 38 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 38
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.1 µg/m³, PM10 to 5.5 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:40 PM
- Moonset
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Galesburg at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49053
15-Day Forecast — Galesburg
- Sat83°69°75%
- Sun81°69°39%
- Mon79°60°6%
- Tue82°57°4%
- Wed82°61°8%
- Thu75°63°24%
- Fri81°61°24%
- Sat78°60°21%
- Sun74°61°11%
- Mon86°60°6%
- Tue72°61°11%
- Wed79°56°18%
- Thu81°58°33%
- Fri84°65°35%
- Sat76°59°13%
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 — Galesburg
SPC includes Galesburg 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. 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 | — | — |
| 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
The year in Galesburg tops out in July (~73°F) and dips lowest in January (~25°F), with October wettest at 3.7 inches and February driest at 1.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 1.7″ | 4 |
| February | 27° | 1.3″ | 4 |
| March | 37° | 2.0″ | 5 |
| April | 49° | 3.1″ | 7 |
| May | 60° | 3.7″ | 9 |
| June | 69° | 3.2″ | 6 |
| July | 73° | 3.4″ | 6 |
| August | 71° | 3.7″ | 6 |
| September | 63° | 3.3″ | 6 |
| October | 52° | 3.7″ | 7 |
| November | 40° | 2.5″ | 6 |
| December | 30° | 1.7″ | 4 |
Frequently asked
- When does it freeze in Galesburg?
- In Galesburg, expect the last spring frost near mid-May; Galesburg's first autumn frost comes around mid-October.
- What is the rainy season in Galesburg?
- Rainfall in Galesburg peaks in October near 3.7 inches, out of about 33 inches annually.
- What is the warmest month in Galesburg?
- July is Galesburg's warmest month, averaging about 73°F.
- What is the coldest month in Galesburg?
- Galesburg bottoms out in January, with a mean near 25°F.
- When can I start a vegetable garden in Galesburg?
- Time tomatoes in Galesburg for two weeks after mid-May; peas and greens start at Galesburg's frost line.
- How many rainy days does Galesburg get?
- Galesburg records around 69 days of measurable precipitation annually.
- What hardiness zone is Galesburg?
- Galesburg sits in the USDA zone set by January lows near 25°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Galesburg?
- Galesburg'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 Galesburg?
- See this week's day-by-day rain chances for Galesburg in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Galesburg?
- Current conditions for Galesburg and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Galesburg forecast updated?
- The Galesburg forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Galesburg?
- Today's sunrise and sunset times for Galesburg 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 Galesburg?
- The next few days in Galesburg's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Galesburg, Michigan occupies a warm-summer humid continental zone, with January means near 25°F and July around 73°F — a 48°F swing.
Yearly precipitation in Galesburg totals around 33 inches, spread over about 69 days of rain or snow.
The 48°F gap between Galesburg's summer and winter, at 42.3°N, shapes Galesburg's frost calendar.
ZIP codes in Galesburg
- 49053