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Weather in Port Chester, United States 🇺🇸

Current Weather in Port Chester

Severe Thunderstorm Watch issued September 1 at 4:33PM EDT until September 2 at 12:00AM EDT by NWS Upton NY
Heavy rain
19°C
Feels like 18°C. Heavy rain.
🌬️ 23 km/h NE
💧 93% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 18°C
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:26 PM
Map Overlays:

Right now Port Chester is 19°C with heavy rain, feeling like 18°C. The air is at 93% humidity and winds are about 23 km/h, and the UV index is 0 (low). Looking ahead, Port Chester should sit between roughly 18°C and 29°C over the coming days. ⚠️ Severe Thunderstorm Watch issued September 1 at 4:33PM EDT until September 2 at 12:00AM EDT by NWS Upton NY

Hourly Forecast for Port Chester

03:00
Heavy rain
19°
92%
04:00
Heavy rain
19°
92%
05:00
Heavy rain
18°
92%
06:00
Heavy rain
18°
92%
07:00
Patchy rain nearby
20°
41%
08:00
Patchy rain nearby
20°
40%
09:00
Patchy rain nearby
20°
36%
10:00
Patchy rain nearby
21°
35%
11:00
Patchy rain nearby
21°
28%
12:00
Patchy rain nearby
22°
28%
13:00
Patchy rain nearby
22°
26%
14:00
Overcast
22°
22%
15:00
Overcast
22°
22%
16:00
Overcast
22°
22%
17:00
Overcast
23°
21%
18:00
Overcast
23°
21%
19:00
Overcast
22°
22%
20:00
Partly Cloudy
22°
15%
21:00
Overcast
22°
26%
22:00
Overcast
22°
27%
23:00
Overcast
22°
27%
00:00
Patchy rain nearby
22°
31%
01:00
Light rain shower
22°
74%
02:00
Light rain shower
22°
49%

14-Day Forecast for Port Chester

Wed, Sep 02
Overcast Overcast
23° / 18°
Thu, Sep 03
Light rain shower Light rain shower
26° / 21°
Fri, Sep 04
Sunny Sunny
29° / 21°
Sat, Sep 05
Sunny Sunny
26° / 18°
Sun, Sep 06
Sunny Sunny
24° / 15°
Mon, Sep 07
Sunny Sunny
24° / 17°
Tue, Sep 08
Overcast Overcast
26° / 21°
Wed, Sep 09
Sunny Sunny
23° / 11°
Thu, Sep 10
Overcast Overcast
22° / 12°
Fri, Sep 11
Patchy rain nearby Patchy rain nearby
24° / 16°
Sat, Sep 12
Overcast Overcast
30° / 23°
Sun, Sep 13
Overcast Overcast
28° / 22°
Mon, Sep 14
Overcast Overcast
25° / 17°
Tue, Sep 15
Overcast Overcast
22° / 16°

Additional Forecasts for Port Chester

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 129.0 μg/m³
O₃ (Ozone) 72.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.9 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 2.4 μg/m³
PM10 (Coarse particles) 2.7 μg/m³

Historical Weather

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Best Time to Be Outside in Port Chester Today

The most comfortable window in Port Chester today looks like 15:00 to 18:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 03:00.

Frequently Asked Questions about Weather in Port Chester

What is the temperature in Port Chester right now?

Port Chester is sitting at 19°C (67°F) right now, heavy rain (feels like 18°C).

What's the weather like in Port Chester right now?

Right now Port Chester has Heavy rain, humidity 93%, wind 23 km/h NE.

What is today's forecast for Port Chester?

Today in Port Chester: high 23°C, low 18°C, overcast. Chance of rain: 90%.

What is the 7-day weather forecast for Port Chester?

Daily highs and lows for Port Chester:

  • 2026-09-02: 23°C / 18°C
  • 2026-09-03: 26°C / 21°C
  • 2026-09-04: 29°C / 21°C
  • 2026-09-05: 26°C / 18°C
  • 2026-09-06: 24°C / 15°C
  • 2026-09-07: 24°C / 17°C
  • 2026-09-08: 26°C / 21°C
Is it going to rain in Port Chester today?

There is a 90% chance of rain in Port Chester today. Total expected precipitation: 128.96 mm.

What is the wind speed in Port Chester right now?

Wind in Port Chester is currently 23 km/h (14 mph) from the NE.

What is the UV index in Port Chester right now?

The UV index in Port Chester is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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