Robertsville, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Robertsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers69%0.07″90°69°—
- SundayJul 5Heavy Showers41%0.56″84°69°-6°
- MondayJul 6T-storm w/ Hail85%—78°68°-6°
- TuesdayJul 7Thunderstorm45%—75°63°-3°
- WednesdayJul 8Light Drizzle——81°60°+6°
- ThursdayJul 9Drizzle41%0.08″79°61°-2°
- FridayJul 10Showers63%1.0″75°68°-4°
AQI 80 (Moderate), driven by Ozone. AQI up 41 in the last 6 hours — air quality is degrading. Ozone at AQI 75 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 75 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 75
- UV peak
- 2.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 75
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.4 µg/m³, PM10 to 11.7 µg/m³.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:20 PM
- Moonset
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Robertsville at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 44670
16-Day Forecast — Robertsville
- Sat90°69°69%
- Sun84°69°41%
- Mon78°68°85%
- Tue75°63°45%
- Wed81°60°7%
- Thu79°61°41%
- Fri75°68°63%
- Sat73°62°36%
- Sun73°56°21%
- Mon72°54°20%
- Tue74°52°21%
- Wed77°55°32%
- Thu80°57°29%
- Fri80°61°42%
- Sat81°67°28%
- Sun74°66°42%
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 — Robertsville
SPC has placed Robertsville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 · 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
July is Robertsville's warmest stretch (~74°F) and January its coldest (~28°F); precipitation crests in June at 4.4 inches and ebbs in February to 2.4 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 2.9″ | 7 |
| February | 30° | 2.4″ | 7 |
| March | 39° | 3.2″ | 8 |
| April | 51° | 3.9″ | 9 |
| May | 61° | 4.1″ | 9 |
| June | 70° | 4.4″ | 8 |
| July | 74° | 4.1″ | 7 |
| August | 72° | 3.6″ | 6 |
| September | 65° | 3.5″ | 6 |
| October | 54° | 3.3″ | 7 |
| November | 43° | 3.1″ | 7 |
| December | 33° | 2.9″ | 7 |
Frequently asked
- When does it freeze in Robertsville?
- In Robertsville, expect the last spring frost near mid-April; Robertsville's first autumn frost comes around mid-November.
- What is the rainy season in Robertsville?
- June is the wettest month in Robertsville, about 4.4 inches on average; the year totals roughly 42 inches.
- What is the warmest month in Robertsville?
- The warmest stretch in Robertsville comes in July, around 74°F on average.
- What is the coldest month in Robertsville?
- On average January is the chilliest month in Robertsville, about 28°F.
- When can I start a vegetable garden in Robertsville?
- Robertsville's last frost (mid-April) cues hardy greens; in Robertsville, hold heat-lovers two weeks past.
- How many rainy days does Robertsville get?
- Robertsville averages about 89 days with measurable rain or snow each year.
- What hardiness zone is Robertsville?
- Robertsville's hardiness zone tracks its winter low; with January near 28°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Robertsville?
- Robertsville'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 Robertsville?
- See this week's day-by-day rain chances for Robertsville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Robertsville?
- Current conditions for Robertsville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Robertsville forecast updated?
- The Robertsville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Robertsville?
- Today's sunrise and sunset times for Robertsville 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 Robertsville?
- The next few days in Robertsville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Robertsville's warm-summer humid continental climate in Ohio pairs 28°F Januarys with 74°F Julys, 46°F apart across the seasons.
Across the year, Robertsville collects about 42 inches of precipitation over roughly 89 days with measurable rain or snow.
The 46°F gap between Robertsville's summer and winter, at 40.8°N, shapes Robertsville's frost calendar.
ZIP codes in Robertsville
- 44670
- 44730