Notre Dame, Indiana Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Notre Dame weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain69%0.48″84°70°—
- SundayJul 5Rain59%0.35″82°68°-2°
- MondayJul 6Light Drizzle14%0.01″80°63°-2°
- TuesdayJul 7Overcast——82°61°+2°
- WednesdayJul 8Partly Cloudy13%—82°63°0°
- ThursdayJul 9Drizzle26%0.05″81°67°-1°
- FridayJul 10Overcast27%—79°65°-2°
AQI 34 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 33 now. With UV 0.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 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 33 now. With UV 0.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 33
- UV peak
- 0.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.93 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:42 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Notre Dame at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 46556
16-Day Forecast — Notre Dame
- Sat84°70°69%
- Sun82°68°59%
- Mon80°63°14%
- Tue82°61°5%
- Wed82°63°13%
- Thu81°67°26%
- Fri79°65°27%
- Sat81°64°18%
- Sun68°62°9%
- Mon70°62°11%
- Tue75°61°12%
- Wed82°62°16%
- Thu85°66°45%
- Fri78°69°26%
- Sat85°68°19%
- Sun86°68°33%
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 — Notre Dame
SPC has placed Notre Dame in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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
Notre Dame 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
Notre Dame's climate, from NOAA NCEI 1991-2020 station normals, pairs 24°F Januarys with 75°F Julys — a 50°F swing. About 39.3 inches of precipitation falls over roughly 203 days a year.
No season owns Notre Dame's rain: May reaches 4.3 inches across 17.5 days and January keeps 2.2 inches on 20.9, an even spread through Notre Dame's year. That even rhythm groups Notre Dame with places like Indian Village, IN, Roseland, IN and South Bend, IN.
The cool-season window in Notre Dame starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Notre Dame's tender crops — tomatoes, peppers, basil — until 10-14 days past Notre Dame's last frost. It shuts near mid-November, when freezes return to Notre Dame and tender plants need cover. Within Notre Dame, cold-air pooling chills low spots by 5-10°F, shifting Notre Dame's local frost dates.
Similar climates: Indian Village, IN, Roseland, IN, South Bend, IN, Mishawaka, IN, Ardmore, IN.
Frequently asked
- When does it freeze in Notre Dame?
- Frost typically leaves Notre Dame by mid-April and returns to Notre Dame near mid-November.
- What is the rainy season in Notre Dame?
- Rainfall in Notre Dame peaks in May near 4.3 inches, out of about 39 inches annually.
- What is the warmest month in Notre Dame?
- July is Notre Dame's warmest month, averaging about 75°F.
- What is the coldest month in Notre Dame?
- Notre Dame bottoms out in January, with a mean near 24°F.
- When can I start a vegetable garden in Notre Dame?
- Time tomatoes in Notre Dame for two weeks after mid-April; peas and greens start at Notre Dame's frost line.
- How many rainy days does Notre Dame get?
- Notre Dame records around 203 days of measurable precipitation annually.
- What hardiness zone is Notre Dame?
- Notre Dame'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 Notre Dame?
- Notre Dame'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 Notre Dame?
- See this week's day-by-day rain chances for Notre Dame in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Notre Dame?
- Current conditions for Notre Dame and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Notre Dame forecast updated?
- The Notre Dame forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Notre Dame?
- Today's sunrise and sunset times for Notre Dame 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 Notre Dame?
- The next few days in Notre Dame's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Notre Dame, Indiana occupies a warm-summer humid continental zone, with January means near 24°F and July around 75°F — a 51°F swing.
Notre Dame sees close to 39 inches of precipitation annually, falling across some 203 wet days.
The 51°F gap between Notre Dame's summer and winter, at 41.7°N, shapes Notre Dame's frost calendar.
ZIP codes in Notre Dame
- 46556
- 46637