Newburgh, Indiana Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Newburgh weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°59°—
- FridayJun 5Overcast——86°63°+2°
- SaturdayJun 6Overcast——83°64°-3°
- SundayJun 7Light Drizzle20%—81°70°-2°
- MondayJun 8Heavy Showers48%0.68″76°68°-5°
- TuesdayJun 9Light Drizzle38%—79°69°+3°
- WednesdayJun 10Overcast24%—81°70°+2°
AQI 24 (Good), driven by PM2.5. AQI down 20 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:12 AM
- Moonset
- 1:58 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Newburgh at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Newburgh
SPC has placed Newburgh in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.
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
Newburgh's warmest month is July (~80°F mean) and its coldest is January (~35°F). Rainfall peaks in April (5.2 inches) and bottoms out in August (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 35° | 3.5″ | 6 |
| February | 39° | 3.4″ | 6 |
| March | 48° | 4.7″ | 7 |
| April | 60° | 5.2″ | 8 |
| May | 68° | 4.8″ | 8 |
| June | 77° | 4.4″ | 6 |
| July | 80° | 4.5″ | 6 |
| August | 79° | 3.1″ | 4 |
| September | 73° | 3.4″ | 5 |
| October | 62° | 3.3″ | 6 |
| November | 49° | 4.0″ | 6 |
| December | 40° | 3.6″ | 6 |
Regional context
Newburgh sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Indianapolis, IN, Evansville, IN, Lafayette, IN, Bloomington, IN, Fishers, IN.
Frequently asked
- When does it freeze in Newburgh?
- Newburgh's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Newburgh?
- April is the wettest month with about 5.2 inches of rain on average; the city receives roughly 48 inches annually.
- What is the warmest month in Newburgh?
- July is typically warmest, averaging about 80°F.
- What is the coldest month in Newburgh?
- January is typically coldest, averaging about 35°F.
- When can I start a vegetable garden in Newburgh?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Newburgh get?
- Newburgh averages about 75 rainy days per year.
- What hardiness zone is Newburgh?
- Newburgh's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Newburgh, Indiana sits in a humid subtropical climate zone. January means hover near 35°F while July averages 80°F — a 45°F seasonal swing.
Across the year, Newburgh receives about 48 inches of precipitation spread over roughly 75 rainy days.
The rhythm of the year is set by latitude (37.9°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.