Amherst, Ohio Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Amherst weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——83°52°—
- FridayJun 5Overcast——88°64°+5°
- SaturdayJun 6Light Showers83%0.09″80°67°-8°
- SundayJun 7Drizzle28%—71°63°-9°
- MondayJun 8Overcast——78°56°+7°
- TuesdayJun 9Light Drizzle18%—81°63°+3°
- WednesdayJun 10Light Drizzle24%—81°67°0°
Ozone at AQI 56 — peak already passed at 1 PM under partly cloudy skies. AQI up 11 over the last 6 hours (gradual rise). 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 56 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 56
- UV peak
- 6.4 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 56
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
- 4:01 AM
- Moonset
- 1:24 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Amherst at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Amherst
SPC has placed Amherst in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
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
Amherst's warmest month is July (~72°F mean) and its coldest is January (~27°F). Rainfall peaks in June (3.9 inches) and bottoms out in February (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 2.1″ | 5 |
| February | 29° | 1.7″ | 4 |
| March | 37° | 2.5″ | 6 |
| April | 49° | 3.3″ | 7 |
| May | 60° | 3.6″ | 8 |
| June | 69° | 3.9″ | 7 |
| July | 72° | 3.6″ | 7 |
| August | 70° | 3.6″ | 6 |
| September | 64° | 3.7″ | 6 |
| October | 53° | 3.5″ | 7 |
| November | 42° | 3.0″ | 7 |
| December | 32° | 2.3″ | 6 |
Regional context
Amherst sits within a warm-summer humid continental climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Cleveland, OH, Akron, OH, Toledo, OH, Youngstown, OH, Canton, OH.
Frequently asked
- When does it freeze in Amherst?
- Amherst's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Amherst?
- June is the wettest month with about 3.9 inches of rain on average; the city receives roughly 37 inches annually.
- What is the warmest month in Amherst?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Amherst?
- January is typically coldest, averaging about 27°F.
- When can I start a vegetable garden in Amherst?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Amherst get?
- Amherst averages about 77 rainy days per year.
- What hardiness zone is Amherst?
- Amherst's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Amherst, Ohio sits in a warm-summer humid continental climate zone. January means hover near 27°F while July averages 72°F — a 46°F seasonal swing.
Across the year, Amherst receives about 37 inches of precipitation spread over roughly 77 rainy days.
The rhythm of the year is set by latitude (41.4°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.