Zanesville, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Zanesville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle39%0.04″88°70°—
- SundayJul 5Heavy Drizzle32%0.08″82°70°-6°
- MondayJul 6Overcast28%—81°68°-1°
- TuesdayJul 7Mostly Clear——83°62°+2°
- WednesdayJul 8Overcast——83°64°0°
- ThursdayJul 9Light Drizzle42%—79°65°-4°
- FridayJul 10Light Drizzle41%—78°69°-1°
AQI 36 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 63 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 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 63 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
- Present
- AQI 63
- UV peak
- 5.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:37 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Zanesville at a glance
- Today vs. normal: 10°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: 46799
16-Day Forecast — Zanesville
- Sat88°70°39%
- Sun82°70°32%
- Mon81°68°28%
- Tue83°62°4%
- Wed83°64°4%
- Thu79°65°42%
- Fri78°69°41%
- Sat84°65°21%
- Sun72°63°12%
- Mon73°61°9%
- Tue75°59°10%
- Wed82°61°23%
- Thu85°66°32%
- Fri81°69°26%
- Sat85°67°24%
- Sun86°69°35%
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 — Zanesville
SPC has placed Zanesville 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
Zanesville's warmest month is July (~74°F mean) and its coldest is January (~26°F). Rainfall peaks in May (4.6 inches) and bottoms out in February (2.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.5″ | 6 |
| February | 29° | 2.1″ | 5 |
| March | 39° | 2.8″ | 6 |
| April | 50° | 3.7″ | 8 |
| May | 61° | 4.6″ | 8 |
| June | 71° | 4.5″ | 8 |
| July | 74° | 4.0″ | 7 |
| August | 72° | 3.8″ | 6 |
| September | 65° | 3.0″ | 6 |
| October | 53° | 3.0″ | 6 |
| November | 41° | 3.0″ | 6 |
| December | 31° | 2.5″ | 6 |
Frequently asked
- When does it freeze in Zanesville?
- In Zanesville, expect the last spring frost near mid-April; Zanesville's first autumn frost comes around mid-November.
- What is the rainy season in Zanesville?
- Rainfall in Zanesville peaks in May near 4.6 inches, out of about 39 inches annually.
- What is the warmest month in Zanesville?
- The warmest stretch in Zanesville comes in July, around 74°F on average.
- What is the coldest month in Zanesville?
- On average January is the chilliest month in Zanesville, about 26°F.
- When can I start a vegetable garden in Zanesville?
- Frost-hardy sowings begin at mid-April in Zanesville; warm-season starts follow two weeks on.
- How many rainy days does Zanesville get?
- Zanesville records around 77 days of measurable precipitation annually.
- What hardiness zone is Zanesville?
- Zanesville sits in the USDA zone set by January lows near 26°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Zanesville?
- Zanesville'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 Zanesville?
- See this week's day-by-day rain chances for Zanesville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Zanesville?
- Current conditions for Zanesville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Zanesville forecast updated?
- The Zanesville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Zanesville?
- Today's sunrise and sunset times for Zanesville 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 Zanesville?
- The next few days in Zanesville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Zanesville, Indiana has a humid subtropical climate: January averages roughly 26°F, July about 74°F, 48°F between them.
In a typical year Zanesville records about 39 inches of precipitation on around 77 days.
At 40.9°N, Zanesville's 48°F summer-to-winter swing sets when Zanesville's gardens wake and when frost returns.
ZIP codes in Zanesville
- 46799
- 46770