Shiloh, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Shiloh weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast22%—92°72°—
- SundayJul 5Overcast29%—89°71°-3°
- MondayJul 6Light Drizzle49%—82°69°-7°
- TuesdayJul 7Light Drizzle——81°64°-1°
- WednesdayJul 8Partly Cloudy——84°65°+3°
- ThursdayJul 9Thunderstorm41%—83°67°-1°
- FridayJul 10Thunderstorm59%—80°70°-3°
AQI 37 (Good), driven by Ozone. Ozone at AQI 78 now. With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 70 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 78 now. With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 70 around 1 PM.
- Present
- AQI 78
- UV peak
- 6.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 70
PM × Wind × Precip
PM2.5 at 12.0 µg/m³, PM10 at 14.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- 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
- 11:31 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Shiloh at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Shiloh
- Sat92°72°22%
- Sun89°71°29%
- Mon82°69°49%
- Tue81°64°8%
- Wed84°65°9%
- Thu83°67°41%
- Fri80°70°59%
- Sat83°66°39%
- Sun76°62°13%
- Mon69°57°11%
- Tue73°61°17%
- Wed83°63°32%
- Thu85°68°24%
- Fri85°70°19%
- Sat86°68°35%
- Sun88°71°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 — Shiloh
SPC has placed Shiloh 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 scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
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
Shiloh peaks at about 75°F in July and bottoms near 27°F in January; May brings the heaviest rain (4.4 inches) and September the least (2.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 2.8″ | 16 |
| February | 30° | 2.9″ | 15 |
| March | 40° | 4.0″ | 17 |
| April | 52° | 4.1″ | 18 |
| May | 61° | 4.4″ | 18 |
| June | 70° | 3.8″ | 17 |
| July | 75° | 3.4″ | 16 |
| August | 74° | 3.1″ | 16 |
| September | 68° | 2.5″ | 13 |
| October | 56° | 2.6″ | 12 |
| November | 42° | 3.0″ | 14 |
| December | 31° | 3.7″ | 16 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Shiloh's January averages 27°F and July 75°F — 48°F apart — while precipitation totals roughly 40.2 inches over some 186 days.
Shiloh's precipitation spreads evenly: May peaks at 4.4 inches on 17.7 wet days, while September holds 2.5 inches over 12.6 — no month dominates Shiloh's rain calendar. That even rhythm groups Shiloh with places like Fort McKinley, OH, Dayton, OH and Trotwood, OH.
Shiloh's growing window opens around mid-April, once Shiloh's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Warm-soil crops in Shiloh wait about two weeks past Shiloh's last frost, once the soil warms. It shuts near mid-November, when freezes return to Shiloh and tender plants need cover. Within Shiloh, cold-air pooling chills low spots by 5-10°F, shifting Shiloh's local frost dates.
Similar climates: Fort McKinley, OH, Dayton, OH, Trotwood, OH, Vandalia, OH, Englewood, OH.
Frequently asked
- When does it freeze in Shiloh?
- In Shiloh, expect the last spring frost near mid-April; Shiloh's first autumn frost comes around mid-November.
- What is the rainy season in Shiloh?
- May is the wettest month in Shiloh, about 4.4 inches on average; the year totals roughly 40 inches.
- What is the warmest month in Shiloh?
- July is Shiloh's warmest month, averaging about 75°F.
- What is the coldest month in Shiloh?
- Shiloh bottoms out in January, with a mean near 27°F.
- When can I start a vegetable garden in Shiloh?
- Frost-hardy sowings begin at mid-April in Shiloh; warm-season starts follow two weeks on.
- How many rainy days does Shiloh get?
- Shiloh records around 186 days of measurable precipitation annually.
- What hardiness zone is Shiloh?
- Shiloh's hardiness zone tracks its winter low; with January near 27°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Shiloh?
- Shiloh'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 Shiloh?
- See this week's day-by-day rain chances for Shiloh in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Shiloh?
- Current conditions for Shiloh and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Shiloh forecast updated?
- The Shiloh forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Shiloh?
- Today's sunrise and sunset times for Shiloh 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 Shiloh?
- The next few days in Shiloh's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Shiloh, Ohio occupies a humid subtropical zone, with January means near 27°F and July around 75°F — a 48°F swing.
Yearly precipitation in Shiloh totals around 40 inches, spread over about 186 days of rain or snow.
The 48°F gap between Shiloh's summer and winter, at 39.8°N, shapes Shiloh's frost calendar.
ZIP codes in Shiloh
- 45405
- 45415