Colburn, Indiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Colburn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy21%—79°70°—
- MondayJul 6Overcast24%—79°69°0°
- TuesdayJul 7Overcast——81°64°+2°
- WednesdayJul 8Clear——84°65°+3°
- ThursdayJul 9T-storm w/ Hail60%0.01″84°67°0°
- FridayJul 10Showers60%0.06″81°68°-3°
- SaturdayJul 11T-storm w/ Hail27%—83°68°+2°
AQI 39 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 51 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 51 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 51
- UV peak
- 2.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 51
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
- 12:04 AM
- Moonset
- 11:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Colburn at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Colburn
- Sun82°70°21%
- Mon79°68°24%
- Tue81°64°3%
- Wed84°65°5%
- Thu84°67°60%
- Fri81°68°60%
- Sat83°68°27%
- Sun85°67°18%
- Mon73°61°8%
- Tue71°56°8%
- Wed78°55°8%
- Thu80°59°23%
- Fri82°63°35%
- Sat83°64°42%
- Sun83°66°27%
- Mon83°64°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Colburn
SPC includes Colburn 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 scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 186 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
In Colburn, July runs warmest near 74°F and January coldest around 26°F, while June is the wettest month (4.6 inches) and February the driest (1.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.2″ | 5 |
| February | 30° | 1.8″ | 4 |
| March | 40° | 2.7″ | 6 |
| April | 51° | 3.8″ | 7 |
| May | 62° | 4.0″ | 8 |
| June | 71° | 4.6″ | 8 |
| July | 74° | 4.1″ | 7 |
| August | 72° | 3.1″ | 6 |
| September | 66° | 2.6″ | 5 |
| October | 54° | 2.9″ | 6 |
| November | 41° | 2.9″ | 6 |
| December | 31° | 2.3″ | 5 |
Frequently asked
- When does it freeze in Colburn?
- Colburn's last spring frost lands near mid-April, and in Colburn the first fall frost follows around mid-November.
- What is the rainy season in Colburn?
- June is the wettest month in Colburn, about 4.6 inches on average; the year totals roughly 37 inches.
- What is the warmest month in Colburn?
- July is Colburn's warmest month, averaging about 74°F.
- What is the coldest month in Colburn?
- Colburn bottoms out in January, with a mean near 26°F.
- When can I start a vegetable garden in Colburn?
- Time tomatoes in Colburn for two weeks after mid-April; peas and greens start at Colburn's frost line.
- How many rainy days does Colburn get?
- Colburn averages about 72 days with measurable rain or snow each year.
- What hardiness zone is Colburn?
- Colburn's hardiness zone tracks its winter low; with January near 26°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Colburn?
- Colburn'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 Colburn?
- See this week's day-by-day rain chances for Colburn in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Colburn?
- Current conditions for Colburn and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Colburn forecast updated?
- The Colburn forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Colburn?
- Today's sunrise and sunset times for Colburn 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 Colburn?
- The next few days in Colburn's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Colburn's humid subtropical climate in Indiana pairs 26°F Januarys with 74°F Julys, 48°F apart across the seasons.
In a typical year Colburn records about 37 inches of precipitation on around 72 days.
At 40.5°N, Colburn's 48°F summer-to-winter swing sets when Colburn's gardens wake and when frost returns.
ZIP codes in Colburn
- 47905