Highland, Indiana Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Highland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——72°54°—
- TuesdayJun 16Light Drizzle84%0.02″70°57°-2°
- WednesdayJun 17Showers92%0.35″75°57°+5°
- ThursdayJun 18Light Drizzle92%—69°59°-6°
- FridayJun 19Overcast10%—72°58°+3°
- SaturdayJun 20Drizzle15%0.15″68°58°-4°
- SundayJun 21Drizzle37%0.15″64°61°-4°
AQI 33 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.99 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.99 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.99
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:15 AM
- Moonset
- 8:43 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Highland at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Highland
- Mon72°54°1%
- Tue70°57°84%
- Wed75°57°92%
- Thu69°59°92%
- Fri72°58°10%
- Sat68°58°15%
- Sun64°61°37%
- Mon73°58°37%
- Tue77°59°14%
- Wed82°61°9%
- Thu81°66°15%
- Fri85°65°26%
- Sat91°70°27%
- Sun93°77°33%
- Mon91°73°30%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Highland
SPC has placed Highland in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 · June 11–15
Solstice approaches — longest light
Sunrise before 5:30 AM; sunset nearly 8:30 PM.
Day 166 of 365 · Wedge 33 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 Highland, July runs warmest near 74°F and January coldest around 23°F, while June is the wettest month (4.9 inches) and February the driest (2.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 2.5″ | 6 |
| February | 27° | 2.1″ | 5 |
| March | 37° | 2.6″ | 6 |
| April | 49° | 4.0″ | 8 |
| May | 60° | 4.6″ | 8 |
| June | 70° | 4.9″ | 7 |
| July | 74° | 4.7″ | 7 |
| August | 72° | 4.0″ | 6 |
| September | 65° | 3.4″ | 6 |
| October | 53° | 3.6″ | 7 |
| November | 40° | 3.0″ | 6 |
| December | 29° | 2.5″ | 6 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Highland's January averages 23°F and July 74°F — 51°F apart — while precipitation totals roughly 42.1 inches over some 77 days.
Precipitation in Highland runs summer-dominant: June averages 4.9 inches across 7.1 days of warm-season storms, while February drops to 2.1 inches over 4.7 rainy days of drier cool air. It is a warm-season-wet pattern Highland shares with places like Griffith, IN, Munster, IN and Dyer, IN.
The cool-season window in Highland starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Highland wait about two weeks past Highland's last frost, once the soil warms. Around mid-November, freezing nights resume in Highland and tender crops must come in. Within Highland, cold-air pooling chills low spots by 5-10°F, shifting Highland's local frost dates.
Similar climates: Griffith, IN, Munster, IN, Dyer, IN, Schererville, IN, Ross, IN.
Frequently asked
- When does it freeze in Highland?
- Frost typically leaves Highland by mid-April and returns to Highland near mid-November.
- What is the rainy season in Highland?
- Highland sees its heaviest rain in June (around 4.9 inches), part of roughly 42 inches a year.
- What is the warmest month in Highland?
- July is Highland's warmest month, averaging about 74°F.
- What is the coldest month in Highland?
- Highland bottoms out in January, with a mean near 23°F.
- When can I start a vegetable garden in Highland?
- Highland's last frost (mid-April) cues hardy greens; in Highland, hold heat-lovers two weeks past.
- How many rainy days does Highland get?
- Expect roughly 77 wet days a year in Highland.
- What hardiness zone is Highland?
- Highland sits in the USDA zone set by January lows near 23°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Highland?
- Highland'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 Highland?
- See this week's day-by-day rain chances for Highland in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Highland?
- Current conditions for Highland and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Highland forecast updated?
- The Highland forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Highland?
- Day length in Highland peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
- How accurate is the weather forecast for Highland?
- The next few days in Highland's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Highland, Indiana has a warm-summer humid continental climate: January averages roughly 23°F, July about 74°F, 51°F between them.
Yearly precipitation in Highland totals around 42 inches, spread over about 77 days of rain or snow.
Latitude 41.5°N gives Highland its 51°F swing, and with it the rhythm of Highland's growing season.
ZIP codes in Highland
- 46322