Hampton, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hampton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle39%0.02″84°67°—
- SundayJul 5Overcast23%—85°67°+1°
- MondayJul 6Mostly Clear——82°63°-3°
- TuesdayJul 7Overcast——79°60°-3°
- WednesdayJul 8Overcast10%—83°62°+4°
- ThursdayJul 9Thunderstorm37%0.01″82°67°-1°
- FridayJul 10Overcast23%—80°65°-2°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.7 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~76%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 2.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:58 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hampton at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61256
16-Day Forecast — Hampton
- Sat84°67°39%
- Sun85°67°23%
- Mon82°63°3%
- Tue79°60°1%
- Wed83°62°10%
- Thu82°67°37%
- Fri80°65°23%
- Sat84°65°18%
- Sun69°59°9%
- Mon74°56°7%
- Tue75°60°7%
- Wed80°64°15%
- Thu82°66°19%
- Fri82°68°20%
- Sat85°70°23%
- Sun86°72°29%
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 — Hampton
SPC has placed Hampton in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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
Millions of periodical and annual cicadas emerge, their droning chorus filling the summer heat; the soundtrack of midsummer settles over prairie and wetland.
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
Hampton peaks at about 76°F in July and bottoms near 23°F in January; June brings the heaviest rain (5.0 inches) and January the least (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 1.7″ | 5 |
| February | 28° | 1.8″ | 5 |
| March | 40° | 2.6″ | 6 |
| April | 51° | 3.8″ | 7 |
| May | 63° | 4.7″ | 8 |
| June | 72° | 5.0″ | 8 |
| July | 76° | 4.2″ | 6 |
| August | 73° | 4.0″ | 6 |
| September | 66° | 3.3″ | 5 |
| October | 54° | 2.8″ | 5 |
| November | 40° | 2.3″ | 5 |
| December | 29° | 2.0″ | 5 |
Frequently asked
- When does it freeze in Hampton?
- In Hampton, expect the last spring frost near mid-April; Hampton's first autumn frost comes around mid-November.
- What is the rainy season in Hampton?
- Hampton sees its heaviest rain in June (around 5.0 inches), part of roughly 38 inches a year.
- What is the warmest month in Hampton?
- The warmest stretch in Hampton comes in July, around 76°F on average.
- What is the coldest month in Hampton?
- On average January is the chilliest month in Hampton, about 23°F.
- When can I start a vegetable garden in Hampton?
- Hampton's last frost (mid-April) cues hardy greens; in Hampton, hold heat-lovers two weeks past.
- How many rainy days does Hampton get?
- Hampton averages about 69 days with measurable rain or snow each year.
- What hardiness zone is Hampton?
- Hampton 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 Hampton?
- Hampton'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 Hampton?
- See this week's day-by-day rain chances for Hampton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Hampton?
- Current conditions for Hampton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Hampton forecast updated?
- The Hampton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Hampton?
- Today's sunrise and sunset times for Hampton 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 Hampton?
- The next few days in Hampton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Hampton, Illinois occupies a warm-summer humid continental zone, with January means near 23°F and July around 76°F — a 53°F swing.
Hampton sees close to 38 inches of precipitation annually, falling across some 69 wet days.
Latitude 41.6°N gives Hampton its 53°F swing, and with it the rhythm of Hampton's growing season.
ZIP codes in Hampton
- 61256