Amherst, Massachusetts

Last updated: 11:23 AM CDT · Refresh

12°C

Feels like 8°

Partly Cloudy

▲ 13° / ▼ 5°

Wind

7 mph WNW

Humidity

47%

Dew Point

2°

Pressure

29.53 inHg

Visibility

10 mi

UV Index

5.9

Cloud Cover

33%

Sunrise

6:36 AM

Sunset

4:31 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Amherst is currently partly cloudy at 12°C. Precipitation is likely — peak probability 80% around 8 AM. Sunrise: 6:36AM · Sunset: 4:31PM.

25 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

12°

1 PM

13°

2 PM

13°

3 PM

12°

4 PM

11°

5 PM

10°

6 PM

8°

7 PM

8°

8 PM

7°

9 PM

7°

10 PM

7°

11 PM

7°

12 AM

8°

1 AM

8°

11%

2 AM

8°

13%

3 AM

7°

17%

4 AM

6°

26%

5 AM

6°

43%

6 AM

6°

50%

7 AM

6°

62%

8 AM

6°

80%

9 AM

6°

70%

10 AM

7°

56%

11 AM

7°

55%

7-Day Forecast

Today

13° 5°

Mostly Cloudy.

Thu

9° 4°

Overcast with a 70% chance of rain.

Fri

7° 1°

Fog with a 83% chance of rain.

Sat

7° -1°

Overcast.

Sun

9° -1°

Partly Cloudy.

Mon

10° -2°

Mostly Clear.

Tue

11° -3°

Mostly Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 12° Partly Cloudy 0% 7 mph WNW 47%

1 PM 13° Mostly Cloudy 0% 7 mph WNW 46%

2 PM 13° Overcast 0% 7 mph WNW 47%

3 PM 12° Overcast 0% 6 mph WNW 50%

4 PM 11° Overcast 1% 3 mph WNW 55%

5 PM 10° Overcast 1% 2 mph NNW 60%

6 PM 8° Overcast 1% 3 mph N 68%

7 PM 8° Overcast 1% 2 mph N 70%

8 PM 7° Overcast 1% 2 mph N 72%

9 PM 7° Overcast 3% 2 mph N 73%

10 PM 7° Overcast 3% 1 mph N 75%

11 PM 7° Overcast 3% 1 mph NNW 77%

12 AM 8° Overcast 7% 2 mph N 79%

1 AM 8° Overcast 11% 2 mph N 81%

2 AM 8° Overcast 13% 3 mph N 83%

3 AM 7° Overcast 17% 3 mph N 85%

4 AM 6° Overcast 26% 3 mph N 86%

5 AM 6° Overcast 43% 3 mph N 87%

6 AM 6° Overcast 50% 4 mph N 88%

7 AM 6° Rain 62% 4 mph N 89%

8 AM 6° Rain 80% 4 mph NNE 91%

9 AM 6° Overcast 70% 4 mph NNE 91%

10 AM 7° Rain 56% 5 mph NNE 90%

11 AM 7° Rain 55% 6 mph NNE 87%

15-Day Forecast

Today

11/11

Mostly Cloudy

5°

13°

Thu

11/12

Overcast

70%

4°

9°

Fri

11/13

Fog

83%

1°

7°

Sat

11/14

Overcast

19%

-1°

7°

Sun

11/15

Partly Cloudy

-1°

9°

Mon

11/16

Mostly Clear

-2°

10°

Tue

11/17

Mostly Clear

-3°

11°

Wed

11/18

Clear

-3°

13°

Thu

11/19

Mostly Clear

-2°

14°

Fri

11/20

Partly Cloudy

-1°

14°

Sat

11/21

Partly Cloudy

2°

13°

Sun

11/22

Drizzle

91%

3°

12°

Mon

11/23

Drizzle

90%

3°

12°

Tue

11/24

Drizzle

85%

1°

9°

Wed

11/25

Clear

84%

1°

8°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

14 AQI 2.6 µg/m³

O₃

Ground-level ozone

Dominant

25 AQI 28 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Thu 25 Good 25 14

Fri 27 Good 27 26

Sat 26 Good 26 15

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 Wed Nov 11, 16:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE46 J/kg

MLCAPE8 J/kg

MUCAPE0 J/kg

SBCIN0 J/kg

MLCIN-4 J/kg

Lifted Index10.8

Kinematics

0–6 km Shear55 kt

0–1 km Shear5 kt

Eff. Shear—

0–1 km SRH3

0–3 km SRH38

Eff. SRH—

Storm Motion295° @ 38 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index-12.8

Thermo & Levels

PWAT0.39 in

0–3 km LR5.4 °C/km

700–500 LR6.5 °C/km

Total Totals32.5

LCL851 hPa

LFC1000 hPa

EL861 hPa

Freezing Lvl5,128 ft

Amherst, Massachusetts

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