Herkimer County, New York, United States

Last updated: 9:10 PM CDT  ·  Refresh
19°C
Feels like 19°
Partly Cloudy
▲ 23°  /  ▼ 13°
Wind
8 mph SSE
Humidity
96%
Dew Point
17°
Pressure
27.64 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
59%
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 partly cloudy at 19°C. Precipitation is likely — peak probability 90% around 10 PM. Sunrise: 5:38AM · Sunset: 8:33PM.

Alerts

No active alerts for this location.
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
90%
11 PM
18°
74%
12 AM
18°
81%
1 AM
17°
75%
2 AM
17°
69%
3 AM
17°
60%
4 AM
17°
48%
5 AM
16°
52%
6 AM
15°
67%
7 AM
14°
44%
8 AM
14°
44%
9 AM
14°
49%
10 AM
13°
57%
11 AM
13°
47%
12 PM
13°
47%
1 PM
14°
53%
2 PM
14°
51%
3 PM
14°
50%
4 PM
14°
46%
5 PM
16°
41%
6 PM
16°
37%
7 PM
16°
34%
8 PM
16°
33%
9 PM
12°
26%
7-Day Forecast
Tonight
23° 13°
Partly Cloudy with a 90% chance of rain.
Wed
19° 11°
Overcast with a 75% chance of rain.
Thu
23° 7°
Partly Cloudy.
Fri
26° 10°
Clear with a 32% chance of rain.
Sat
27° 13°
Clear.
Sun
27° 14°
Rain, 77% chance.
Mon
28° 14°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Partly Cloudy 90% 8 mph SSE 96%
11 PM 18° Overcast 74% 8 mph S 98%
12 AM 18° Overcast 81% 8 mph SSW 99%
1 AM 17° Rain 75% 7 mph SW 99%
2 AM 17° Overcast 69% 7 mph SW 99%
3 AM 17° Haze 60% 7 mph SW 99%
4 AM 17° Overcast 48% 8 mph SW 98%
5 AM 16° Overcast 52% 9 mph WSW 98%
6 AM 15° Rain 67% 9 mph WSW 98%
7 AM 14° Overcast 44% 10 mph WSW 98%
8 AM 14° Overcast 44% 11 mph WSW 98%
9 AM 14° Overcast 49% 11 mph WSW 94%
10 AM 13° Overcast 57% 11 mph WSW 89%
11 AM 13° Overcast 47% 12 mph WSW 86%
12 PM 13° Overcast 47% 11 mph WSW 84%
1 PM 14° Overcast 53% 11 mph WSW 84%
2 PM 14° Overcast 51% 11 mph WSW 85%
3 PM 14° Overcast 50% 11 mph WSW 84%
4 PM 14° Overcast 46% 12 mph WSW 82%
5 PM 16° Overcast 41% 12 mph WSW 80%
6 PM 16° Overcast 37% 11 mph WSW 81%
7 PM 16° Mostly Cloudy 34% 10 mph W 82%
8 PM 16° Mostly Cloudy 33% 10 mph W 83%
9 PM 12° Mostly Cloudy 26% 8 mph W 84%
15-Day Forecast
Today
7/21
Partly Cloudy
90%
13°
23°
Wed
7/22
Overcast
75%
11°
19°
Thu
7/23
Partly Cloudy
6%
7°
23°
Fri
7/24
Clear
32%
10°
26°
Sat
7/25
Clear
8%
13°
27°
Sun
7/26
Rain
77%
14°
27°
Mon
7/27
Rain
71%
14°
28°
Tue
7/28
Rain
82%
13°
24°
Wed
7/29
Rain
69%
12°
21°
Thu
7/30
Drizzle
44%
11°
23°
Fri
7/31
Drizzle
60%
11°
27°
Sat
8/1
Drizzle
60%
13°
25°
Sun
8/2
Drizzle
60%
13°
25°
Mon
8/3
Drizzle
60%
14°
25°
Tue
8/4
Drizzle
60%
14°
26°
63
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
PM2.5
Fine particulate matter
Dominant
63 AQI 15.6 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE410 J/kg
MLCAPE435 J/kg
MUCAPE592 J/kg
SBCIN-28 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear37 kt
0–1 km Shear20 kt
Eff. Shear31 kt
0–1 km SRH-46
0–3 km SRH-71
Eff. SRH-71
Storm Motion192° @ 34 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.3
Thermo & Levels
PWAT1.35 in
0–3 km LR5.5 °C/km
700–500 LR5.7 °C/km
Total Totals48.3
LCL918 hPa
LFC788 hPa
EL299 hPa
Freezing Lvl11,122 ft