Waterbury, Connecticut weather
United States · America/New_York · 41.56, -73.05
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Waterbury, CT Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Waterbury, Connecticut. Every section shows where the data came from and when it was last checked.
Your briefing — take action
Waterbury, Connecticut
- Right now
- Freeze Watch in effect for Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Western Passaic; Orange; Putnam.Official warning
- Next few hours
- No rain in the forecast for the next few hours.Forecast
- Your day
- Best outdoor window: 6 AM to 2 PM.Our reading
What officials say to do
- Take steps now to protect tender plants from the cold.
Wording from NWS Upton NY. Read the official warning
What happens next
- NowFreeze Watch covers Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Western Passaic; Orange; Putnam.Official warning
- NextOfficial warning runs until 8:00 AM.Official warning
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
Waterbury, Connecticut
61°
Mainly clear
Feels like 59° · High 61° · Low 42°
Partly cloudy sky here right now. Nothing falling.
Cool and partly cloudy early this morning. 61° right now. Today's high is 61°.
- Sunrise 2:00 AM
- Today's high 61°
- Rain next 6 hrs 0%
Next few hours
Now
61°
—
11 PM
56°
—
12 AM
54°
—
1 AM
53°
—
2 AM
51°
—
- Rain chance
- 0%
- Wind
- 13 mph NNW
- Humidity
- 95%
- Air quality
- 41 Good
Source updated: 2:47:42 AM · WeatherSignal checked: 2:47:42 AM
What matters today
Six quick answers for Waterbury. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
6 AM (Good)
Dog walk
11 PM (Good)
Car wash
Go for it (Good)
Cookout
Doable with a plan (Mixed)
Windows
Roll 'em down (Good)
Today's Signal
Good day
75/100
Mostly favorable, but poor visibility will make it less comfortable outside.
Visibility 0.0 mi · Active Freeze Watch
Today is about the same as the rest of the week.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Visibility 0.0 mi-10
- Active Freeze Watch-15
- Final Signal75
Next 12 hours
No big swings coming in the next 12 hours.
- 11 PMWarmest stretch · 56°
- 2 AMSunrise
- 9 AMCoolest stretch · 46°
- 11 PM—56 degrees, 0 percent chance of rain
- 12 AM—54 degrees, 0 percent chance of rain
- 1 AM—53 degrees, 0 percent chance of rain
- 2 AM—51 degrees, 0 percent chance of rain
- 3 AM—51 degrees, 0 percent chance of rain
- 4 AM—49 degrees, 0 percent chance of rain
- 5 AM—48 degrees, 0 percent chance of rain
- 6 AM—48 degrees, 0 percent chance of rain
- 7 AM—47 degrees, 0 percent chance of rain
- 8 AM—46 degrees, 0 percent chance of rain
- 9 AM—46 degrees, 0 percent chance of rain
- 10 AM—46 degrees, 0 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
It keeps cooling down overnight
Temperatures fall from about 56° to 46° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Waterbury, Connecticut
One number for everything happening around you, from 0 to 100.
90
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- A Freeze Watch issued by NWS Upton NY is active for Northern Fairfield.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 47 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 11 PM | Mainly clear | 56° | 51° | 0% | 0.00″ | 14 NW | 86% |
| 12 AM | Mainly clear | 54° | 48° | 0% | 0.00″ | 15 NW | 77% |
| 1 AM | Mainly clear | 53° | 46° | 0% | 0.00″ | 14 NW | 72% |
| 2 AM | Overcast | 51° | 45° | 0% | 0.00″ | 14 NW | 73% |
| 3 AM | Overcast | 51° | 44° | 0% | 0.00″ | 14 NNW | 67% |
| 4 AM | Overcast | 49° | 42° | 0% | 0.00″ | 14 NNW | 62% |
| 5 AM | Overcast | 48° | 42° | 0% | 0.00″ | 12 NNW | 62% |
| 6 AM | Overcast | 48° | 41° | 0% | 0.00″ | 11 NNW | 61% |
| 7 AM | Overcast | 47° | 40° | 0% | 0.00″ | 11 NNW | 61% |
| 8 AM | Overcast | 46° | 39° | 0% | 0.00″ | 13 NNW | 61% |
| 9 AM | Overcast | 46° | 39° | 0% | 0.00″ | 13 NNW | 60% |
| 10 AM | Overcast | 46° | 39° | 0% | 0.00″ | 13 NNW | 60% |
| 11 AM | Overcast | 47° | 39° | 0% | 0.00″ | 13 NNW | 56% |
| 12 PM | Mainly clear | 49° | 42° | 0% | 0.00″ | 14 NNW | 47% |
| 1 PM | Mainly clear | 50° | 43° | 0% | 0.00″ | 14 NNW | 44% |
| 2 PM | Partly cloudy | 50° | 43° | 0% | 0.00″ | 13 NNW | 42% |
| 3 PM | Clear sky | 50° | 42° | 0% | 0.00″ | 15 NNW | 40% |
| 4 PM | Clear sky | 48° | 41° | 0% | 0.00″ | 13 NNW | 40% |
| 5 PM | Clear sky | 47° | 40° | 0% | 0.00″ | 12 NNW | 43% |
| 6 PM | Clear sky | 44° | 38° | 0% | 0.00″ | 8 NNW | 49% |
| 7 PM | Clear sky | 42° | 36° | 0% | 0.00″ | 7 NW | 54% |
| 8 PM | Clear sky | 41° | 34° | 0% | 0.00″ | 8 NNW | 57% |
| 9 PM | Clear sky | 39° | 33° | 0% | 0.00″ | 7 NNW | 61% |
| 10 PM | Clear sky | 39° | 32° | 0% | 0.00″ | 9 NNW | 59% |
7-day forecast
Confidence decreases the further out you look.
Today
Overcast
61° / 42°
- Precip:
- 0% · 0.00″
- Wind:
- 15 mph
- UV:
- 3.9
- Sun:
- 2 AM to 2 PM
Sun, Oct 18
Clear sky
57° / 35°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 3.9
- Sun:
- 2 AM to 2 PM
Mon, Oct 19
Clear sky
62° / 38°
- Precip:
- 0% · 0.00″
- Wind:
- 7 mph
- UV:
- 4.1
- Sun:
- 2 AM to 2 PM
Tue, Oct 20
Clear sky
65° / 47°
- Precip:
- 0% · 0.00″
- Wind:
- 11 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Wed, Oct 21
Clear sky
58° / 46°
- Precip:
- 0% · 0.00″
- Wind:
- 13 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
61° / 42°
- Precip:
- 0% · 0.00″
- Wind:
- 11 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Fri, Oct 23
Clear sky
55° / 47°
- Precip:
- 0% · 0.00″
- Wind:
- 13 mph
- UV:
- 0.0
- Sun:
- 2 AM to 2 PM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
Air quality
US EPA AQI · Good
- AQI
- 41
- Primary
- Ozone
- PM2.5
- 1.6µg/m³
- PM10
- 1.6µg/m³
- Ozone
- 57.0µg/m³
- Dust
- 0.0µg/m³
Good
Highest measured pollutant
Air quality is satisfactory for outdoor activity.
Air-quality guidance comes from the published category definitions of the source scale. WeatherSignal does not provide medical advice.
Source updated: not provided · WeatherSignal checked: 2:47:41 AM
Waterbury hourly weather
Hour by hour, out to eight days ahead.
Waterbury 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.