Herkimer County, New York, United States

Last updated: 6:27 PM CDT · Refresh

20°C

Feels like 21°

Mostly Cloudy

▲ 23° / ▼ 14°

Wind

8 mph SSE

Humidity

90%

Dew Point

18°

Pressure

27.65 inHg

Visibility

10 mi

UV Index

1.6

Cloud Cover

83%

Sunrise

5:38 AM

Sunset

8:33 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Herkimer County is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 90% around 8 PM. Atmospheric instability is elevated (CAPE up to 778 J/kg) — isolated convective development possible. Sunrise: 5:38AM · Sunset: 8:33PM.

63 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

82%

8 PM

21°

90%

9 PM

19°

90%

10 PM

18°

78%

11 PM

18°

76%

12 AM

18°

82%

1 AM

17°

76%

2 AM

17°

70%

3 AM

17°

61%

4 AM

17°

57%

5 AM

15°

55%

6 AM

15°

62%

7 AM

14°

54%

8 AM

14°

44%

9 AM

14°

48%

10 AM

14°

63%

11 AM

14°

43%

12 PM

14°

43%

1 PM

16°

43%

2 PM

16°

42%

3 PM

16°

45%

4 PM

16°

40%

5 PM

16°

36%

6 PM

16°

21%

7-Day Forecast

Tonight

23° 14°

Mostly Cloudy with a 82% chance of rain.

Wed

21° 11°

Overcast with a 76% chance of rain.

Thu

22° 9°

Mostly Clear.

Fri

24° 11°

Mostly Clear with a 33% chance of rain.

Sat

26° 13°

Mostly Cloudy.

Sun

26° 14°

Rain, 74% chance.

Mon

23° 12°

Drizzle, 60% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Mostly Cloudy 82% 8 mph SSE 90%

8 PM 21° Mostly Cloudy 90% 8 mph SSE 92%

9 PM 19° Mostly Cloudy 90% 8 mph SSE 94%

10 PM 18° Overcast 78% 8 mph S 96%

11 PM 18° Overcast 76% 8 mph SSW 98%

12 AM 18° Rain 82% 8 mph SSW 99%

1 AM 17° Overcast 76% 8 mph SW 99%

2 AM 17° Overcast 70% 8 mph SW 99%

3 AM 17° Overcast 61% 8 mph SW 99%

4 AM 17° Overcast 57% 9 mph WSW 99%

5 AM 15° Haze 55% 9 mph WSW 98%

6 AM 15° Overcast 62% 10 mph WSW 98%

7 AM 14° Haze 54% 10 mph WSW 98%

8 AM 14° Overcast 44% 10 mph WSW 97%

9 AM 14° Overcast 48% 11 mph WSW 94%

10 AM 14° Overcast 63% 12 mph WSW 90%

11 AM 14° Overcast 43% 13 mph WSW 86%

12 PM 14° Overcast 43% 12 mph WSW 84%

1 PM 16° Overcast 43% 12 mph WSW 84%

2 PM 16° Overcast 42% 12 mph WSW 86%

3 PM 16° Mostly Cloudy 45% 12 mph WSW 87%

4 PM 16° Mostly Cloudy 40% 12 mph WSW 85%

5 PM 16° Mostly Cloudy 36% 12 mph WSW 84%

6 PM 16° Mostly Cloudy 21% 11 mph WSW 84%

15-Day Forecast

Today

7/21

Mostly Cloudy

82%

14°

23°

Wed

7/22

Overcast

76%

11°

21°

Thu

7/23

Mostly Clear

9°

22°

Fri

7/24

Mostly Clear

33%

11°

24°

Sat

7/25

Mostly Cloudy

13°

26°

Sun

7/26

Rain

74%

14°

26°

Mon

7/27

Drizzle

60%

12°

23°

Tue

7/28

Rain

82%

11°

22°

Wed

7/29

Drizzle

68%

11°

22°

Thu

7/30

Drizzle

60%

11°

22°

Fri

7/31

Drizzle

46%

13°

23°

Sat

8/1

Drizzle

60%

13°

24°

Sun

8/2

Drizzle

60%

13°

25°

Mon

8/3

Drizzle

60%

14°

25°

Tue

8/4

Drizzle

60%

14°

26°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

63 AQI 15.6 µg/m³

O₃

Ground-level ozone

39 AQI 42 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Wed 63 Moderate 39 63

Thu 30 Good 30 19

Fri 32 Good 32 23

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE750 J/kg

MLCAPE554 J/kg

MUCAPE750 J/kg

SBCIN-2 J/kg

MLCIN0 J/kg

Lifted Index-3.2

Kinematics

0–6 km Shear34 kt

0–1 km Shear21 kt

Eff. Shear30 kt

0–1 km SRH-24

0–3 km SRH-94

Eff. SRH-94

Storm Motion192° @ 36 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index30.0

Thermo & Levels

PWAT1.28 in

0–3 km LR6.3 °C/km

700–500 LR5.6 °C/km

Total Totals48.3

LCL906 hPa

LFC875 hPa

EL250 hPa

Freezing Lvl10,600 ft

Herkimer County, New York, United States

Alerts