East Herkimer, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
East Herkimer weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle53%0.03″81°69°—
- SundayJul 5Overcast——82°64°+1°
- MondayJul 6Showers52%0.87″69°63°-13°
- TuesdayJul 7Rain52%0.39″64°59°-5°
- WednesdayJul 8Light Drizzle16%—74°58°+10°
- ThursdayJul 9Light Drizzle30%0.02″77°61°+3°
- FridayJul 10Light Drizzle52%—77°65°0°
AQI 46 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 41 — peak already passed at 1 PM under overcast 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 41 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 41
- UV peak
- 1.4 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 1h 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
- 10:57 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
East Herkimer at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — East Herkimer
- Sat81°69°53%
- Sun82°66°7%
- Mon69°63°52%
- Tue64°59°52%
- Wed74°58°16%
- Thu77°61°30%
- Fri77°65°52%
- Sat74°63°21%
- Sun75°59°25%
- Mon77°56°27%
- Tue72°58°32%
- Wed77°54°45%
- Thu74°63°45%
- Fri82°61°53%
- Sat84°66°43%
- Sun75°65°48%
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 — East Herkimer
SPC has placed East Herkimer 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
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 | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in East Herkimer tops out in July (~69°F) and dips lowest in January (~20°F), with October wettest at 5.3 inches and February driest at 3.4 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 20° | 3.6″ | 12 |
| February | 22° | 3.4″ | 11 |
| March | 30° | 3.5″ | 12 |
| April | 44° | 4.0″ | 13 |
| May | 56° | 4.6″ | 15 |
| June | 64° | 4.8″ | 16 |
| July | 69° | 5.0″ | 17 |
| August | 68° | 4.3″ | 14 |
| September | 60° | 4.2″ | 14 |
| October | 49° | 5.3″ | 18 |
| November | 38° | 4.4″ | 15 |
| December | 27° | 4.4″ | 15 |
Regional context
East Herkimer swings from 20°F in January to 69°F in July (49°F) per NOAA NCEI 1991-2020 normals; precipitation in East Herkimer runs about 51.4 inches on roughly 172 measurable days.
No season owns East Herkimer's rain: October reaches 5.3 inches across 18.0 days and February keeps 3.4 inches on 11.0, an even spread through East Herkimer's year. It is a balanced pattern East Herkimer shares with places like Ilion, NY, South Ilion, NY and East Frankfort, NY.
East Herkimer reaches its last hard frost near late-May; that is the cue for kale, peas, spinach, and parsnips. Heat-demanding starts go out a fortnight on in East Herkimer, after the soil warms and cold snaps clear. By early-October, frost is back in East Herkimer — protect or harvest anything tender. A creek-bottom lot in East Herkimer can lag East Herkimer's last frost 7-10 days behind a south slope.
Similar climates: Ilion, NY, South Ilion, NY, East Frankfort, NY, Little Falls, NY, Middleville, NY.
Frequently asked
- When does it freeze in East Herkimer?
- East Herkimer's last spring frost lands near mid-May, and in East Herkimer the first fall frost follows around mid-October.
- What is the rainy season in East Herkimer?
- Rainfall in East Herkimer peaks in October near 5.3 inches, out of about 51 inches annually.
- What is the warmest month in East Herkimer?
- East Herkimer peaks in July, when the mean runs near 69°F.
- What is the coldest month in East Herkimer?
- January is East Herkimer's coldest month, averaging about 20°F.
- When can I start a vegetable garden in East Herkimer?
- Around mid-May, start frost-hardy crops in East Herkimer; tomatoes and basil belong a fortnight later.
- How many rainy days does East Herkimer get?
- East Herkimer records around 172 days of measurable precipitation annually.
- What hardiness zone is East Herkimer?
- With January around 20°F, East Herkimer's zone reflects that minimum — the USDA ZIP map confirms East Herkimer's band.
- What is the 10-day forecast for East Herkimer?
- East Herkimer'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 East Herkimer?
- See this week's day-by-day rain chances for East Herkimer in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in East Herkimer?
- Current conditions for East Herkimer and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the East Herkimer forecast updated?
- The East Herkimer forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in East Herkimer?
- Today's sunrise and sunset times for East Herkimer 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 East Herkimer?
- The next few days in East Herkimer's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, East Herkimer, New York swings from 20°F in the heart of winter to 69°F at midsummer — a 49°F arc.
Across the year, East Herkimer collects about 51 inches of precipitation over roughly 172 days with measurable rain or snow.
East Herkimer's 49°F range, set by its 43.0°N position, drives frost timing and what thrives in East Herkimer.
ZIP codes in East Herkimer
- 13350