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Observed 10:30 PM CDT at KDPA

Carpentersville, IL weather

Mostly cloudy and 57°14°, 14°8° warmer than a typical Oct 23.

Today: low 47°8° (likely 45°7° to 47°8°), high 71°22° (likely 70°21° to 71°22°).

Forecasts agree

Now 57°14°

Mostly cloudy

Wind
5 mph7 km/h
From the southeast. Up to 10 mph16 km/h through 11 AM
Dew point
46°8°
Comfortable
UV tomorrow
3Moderate
Moderate 11 AM–4 PM · peak 3
Air quality
87Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.32 inHg1027 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

5°3° warmer than this time yesterday (53°12° then, 58°14° now)

Good hours for
  • Low 47°8° tomorrow at 7 AM
  • Above 60°16° tomorrow by 11 AM
  • High 71°22° tomorrow at 3 PM
  • Below 60°16° tomorrow night after 8 PM
  1. TonightDown to 48°9° by 5 AM · Partly cloudy
  2. Tomorrow morningUp to 63°17° by 11 AM · Mostly cloudy
  3. Tomorrow afternoonUp to 71°22° by 3 PM · Mostly cloudy
  4. Tomorrow nightDown to 49°9° by 5 AM · Mostly cloudy
  5. Sunday morningUp to 64°18° by 11 AM · Mostly cloudy
  6. Sunday afternoonUp to 74°23° by 3 PM · Mostly cloudy
  7. Sunday nightDown to 57°14° by 10 PM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Fri 11pPartly cloudy53°12° (likely 53°12° to 55°13°)53°12°0%0 mph0 km/h, gusts 10 mph16 km/h80%33%0
Sat 12aClear53°12° (likely 52°11° to 55°13°)53°12°0%0 mph0 km/h, gusts 9 mph15 km/h79%15%0
Sat 1aClear52°11° (likely 51°11° to 54°12°)52°11°0%0 mph0 km/h, gusts 9 mph15 km/h78%5%0
Sat 2aClear51°11° (likely 50°10° to 52°11°)51°11°0%0 mph0 km/h, gusts 8 mph14 km/h79%15%0
Sat 3aPartly cloudy50°10° (likely 50°10° to 52°11°)50°10°0%0 mph0 km/h, gusts 9 mph14 km/h82%30%0
Sat 4aPartly cloudy49°9° (likely 49°9° to 51°11°)49°9°0%0 mph0 km/h, gusts 8 mph13 km/h84%72%0
Sat 5aPartly cloudy48°9° (likely 48°9° to 50°10°)48°9°0%0 mph0 km/h, gusts 8 mph12 km/h85%74%0
Sat 6aPartly cloudy48°9° (likely 47°8° to 49°9°)48°9°0%0 mph0 km/h, gusts 8 mph13 km/h86%72%0
Sat 7aCloudy47°8° (likely 47°8° to 49°9°)47°8°0%0 mph0 km/h, gusts 8 mph13 km/h88%79%0
Sat 8aCloudy49°9° (likely 47°8° to 50°10°)47°8°0%5 mph8 km/h from SSE, gusts 8 mph12 km/h86%80%0
Sat 9aCloudy54°12° (likely 51°11° to 54°12°)54°12°0%5 mph8 km/h from S, gusts 13 mph20 km/h76%78%0
Sat 10aCloudy59°15° (likely 56°13° to 59°15°)59°15°0%10 mph16 km/h from S, gusts 14 mph22 km/h67%80%1
Sat 11aCloudy63°17° (likely 59°15° to 63°17°)63°17°0%10 mph16 km/h from S, gusts 15 mph24 km/h59%80%3
Sat 12pCloudy66°19° (likely 62°17° to 66°19°)66°19°0%10 mph16 km/h from S, gusts 14 mph22 km/h52%81%3
Sat 1pCloudy69°21° (likely 65°18° to 69°21°)69°21°0%10 mph16 km/h from S, gusts 14 mph22 km/h49%80%3
Sat 2pCloudy70°21° (likely 66°19° to 70°21°)70°21°0%10 mph16 km/h from S, gusts 13 mph20 km/h45%75%3
Sat 3pCloudy71°22° (likely 67°19° to 71°22°)71°22°0%10 mph16 km/h from S, gusts 12 mph20 km/h43%73%3
Sat 4pCloudy71°22° (likely 67°19° to 71°22°)71°22°0%10 mph16 km/h from S, gusts 13 mph21 km/h43%72%2
Sat 5pCloudy69°21° (likely 65°18° to 69°21°)69°21°0%10 mph16 km/h from S, gusts 14 mph22 km/h47%82%1
Sat 6pCloudy66°19° (likely 62°17° to 66°19°)66°19°0%5 mph8 km/h from SSE, gusts 11 mph17 km/h51%82%0
Sat 7pCloudy62°17° (likely 59°15° to 62°17°)62°17°0%5 mph8 km/h from SSE, gusts 10 mph16 km/h59%79%0
Sat 8pCloudy59°15° (likely 58°14° to 60°16°)59°15°0%5 mph8 km/h from SSE, gusts 9 mph15 km/h62%76%0
Sat 9pCloudy57°14° (likely 57°14° to 59°15°)57°14°0%5 mph8 km/h from S, gusts 10 mph16 km/h66%71%0
Sat 10pPartly cloudy56°13° (likely 55°13° to 58°14°)56°13°0%5 mph8 km/h from S, gusts 10 mph16 km/h69%61%0
Sat 11pPartly cloudy54°12° (likely 54°12° to 57°14°)55°13°0%5 mph8 km/h from S, gusts 10 mph16 km/h72%61%0
Sun 12aPartly cloudy54°12° (likely 53°12° to 56°13°)54°12°0%5 mph8 km/h from S, gusts 10 mph16 km/h73%47%0
Sun 1aPartly cloudy53°12° (likely 52°11° to 55°13°)53°12°0%5 mph8 km/h from S, gusts 10 mph16 km/h75%54%0
Sun 2aCloudy52°11° (likely 51°11° to 54°12°)52°11°0%5 mph8 km/h from S, gusts 9 mph15 km/h76%65%0
Sun 3aPartly cloudy51°11° (likely 51°11° to 53°12°)50°10°0%5 mph8 km/h from S, gusts 10 mph16 km/h79%76%0
Sun 4aPartly cloudy50°10° (likely 50°10° to 53°12°)49°9°0%5 mph8 km/h from S, gusts 10 mph16 km/h81%76%0
Sun 5aPartly cloudy49°9° (likely 49°9° to 52°11°)49°9°0%0 mph0 km/h, gusts 9 mph15 km/h82%57%0
Sun 6aPartly cloudy49°9° (likely 48°9° to 52°11°)49°9°0%0 mph0 km/h, gusts 9 mph14 km/h84%86%0
Sun 7aPartly sunny48°9° (likely 48°9° to 52°11°)47°8°0%5 mph8 km/h from S, gusts 9 mph14 km/h86%79%0
Sun 8aPartly sunny50°10° (likely 49°9° to 52°11°)48°9°0%5 mph8 km/h from SSW, gusts 8 mph13 km/h87%76%0
Sun 9aPartly sunny54°12° (likely 53°12° to 56°13°)54°12°0%5 mph8 km/h from SSW, gusts 10 mph16 km/h78%78%1
Sun 10aPartly sunny59°15° (likely 58°14° to 61°16°)59°15°0%5 mph8 km/h from SSW, gusts 13 mph22 km/h67%74%2
Sun 11aPartly sunny64°18° (likely 62°17° to 65°18°)64°18°0%5 mph8 km/h from SSW, gusts 12 mph20 km/h59%67%2
Sun 12pPartly sunny68°20° (likely 66°19° to 68°20°)68°20°0%10 mph16 km/h from SSW, gusts 12 mph19 km/h52%67%3
Sun 1pPartly sunny71°22° (likely 69°21° to 71°22°)71°22°0%10 mph16 km/h from SSW, gusts 11 mph18 km/h48%65%3
Sun 2pMostly sunny73°23° (likely 70°21° to 73°23°)73°23°0%10 mph16 km/h from SSW, gusts 11 mph18 km/h44%66%3
Sun 3pPartly sunny74°23° (likely 70°21° to 74°23°)74°23°0%10 mph16 km/h from S, gusts 11 mph17 km/h42%58%3
Sun 4pCloudy73°23° (likely 69°21° to 73°23°)73°23°0%5 mph8 km/h from S, gusts 10 mph17 km/h43%74%2
Sun 5pCloudy70°21° (likely 67°19° to 71°22°)71°22°0%5 mph8 km/h from S, gusts 9 mph14 km/h47%76%1
Sun 6pCloudy67°19° (likely 63°17° to 67°19°)67°19°0%5 mph8 km/h from S, gusts 5 mph8 km/h55%86%0
Sun 7pCloudy63°17° (likely 60°16° to 63°17°)63°17°0%0 mph0 km/h, gusts 6 mph9 km/h62%87%0
Sun 8pCloudy60°16° (likely 58°14° to 60°16°)60°16°0%0 mph0 km/h, gusts 4 mph6 km/h69%86%0
Sun 9pCloudy58°14° (likely 57°14° to 58°14°)58°14°0%0 mph0 km/h, gusts 3 mph5 km/h73%82%0
Sun 10pCloudy57°14° (likely 56°13° to 57°14°)57°14°0%0 mph0 km/h, gusts 3 mph5 km/h75%96%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 23. Cloudy. High 71°22°, low 47°8°. Typical 57°14° / 39°4°. Dry. Forecasts agree.
    1. Overnight

      midnight–6 AM

      Partly cloudy, 48°9°

      Dry

    Official NWS forecast

    Tonight: Partly cloudy, with a low around 47. Southeast wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–71°22°
    Low, likely
    45°7°–47°8°
    Typical high / low
    57°14° / 39°4°
    Wind
    7 mph11 km/h, gusts 14 mph23 km/h
    UV peak
    4
  2. Tomorrow, Oct 24. Cloudy. High 71°22°, low 48°9°. Typical 57°14° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Day: Partly sunny. High near 71, with temperatures falling to around 69 in the afternoon. South wind 0 to 10 mph.

    Night: Partly cloudy, with a low around 48. South wind 0 to 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    67°19°–71°22°
    Low, likely
    47°8°–49°9°
    Typical high / low
    57°14° / 39°4°
    Wind
    8 mph13 km/h, gusts 20 mph32 km/h
    UV peak
    3
  3. Sunday, Oct 25. Cloudy. High 74°23°, low 49°9°. Typical 56°13° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°11°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 74. South southwest wind 0 to 10 mph.

    Night: Mostly cloudy, with a low around 49. West southwest wind 0 to 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    70°21°–74°23°
    Low, likely
    49°9°–52°11°
    Typical high / low
    56°13° / 38°3°
    Wind
    7 mph11 km/h, gusts 16 mph25 km/h
    UV peak
    3
  4. Monday, Oct 26. Cloudy. High 64°18°, low 47°8°. Typical 56°13° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 65°19°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 64.

    Night: Mostly cloudy, with a low around 47.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    63°17°–67°19°
    Low, likely
    47°8°–51°11°
    Typical high / low
    56°13° / 38°3°
    Wind
    11 mph18 km/h, gusts 19 mph30 km/h
    UV peak
    3
  5. Tuesday, Oct 27. Cloudy. High 64°18°, low 48°9°. Typical 56°13° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 64.

    Night: Mostly cloudy, with a low around 48.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–69°21°
    Low, likely
    48°9°–53°12°
    Typical high / low
    56°13° / 38°3°
    Wind
    10 mph16 km/h, gusts 30 mph48 km/h
    UV peak
    3
  6. Wednesday, Oct 28. Cloudy. High 69°21°, low 50°10°. Typical 55°13° / 37°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 57°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 69.

    Night: Partly cloudy, with a low around 50.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    69°21°–72°22°
    Low, likely
    50°10°–54°12°
    Typical high / low
    55°13° / 37°3°
    Wind
    14 mph22 km/h, gusts 27 mph44 km/h
    UV peak
    4
  7. Thursday, Oct 29. Showers. High 66°19°, low 43°6°. Typical 55°13° / 37°3°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 56°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 66.

    Night: Partly cloudy, with a low around 43.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    66°19°–72°22°
    Low, likely
    43°6°–57°14°
    Typical high / low
    55°13° / 37°3°
    Wind
    11 mph18 km/h, gusts 32 mph51 km/h
    UV peak
    2
  8. Friday, Oct 30. Showers. High 63°17°, low 50°10°. Typical 54°12° / 37°3°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 57°14°

      20% chance · 0.01 in0.3 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 7am. Mostly sunny, with a high near 63.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    63°17°–75°24°
    Low, likely
    42°6°–58°14°
    Typical high / low
    54°12° / 37°3°
    Wind
    12 mph20 km/h, gusts 24 mph38 km/h
    UV peak
    2
  9. Saturday, Oct 31. Drizzle. High 69°21°, low 58°14°. Typical 54°12° / 36°2°. Rain 0.27 in6.9 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 60°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 69°21°

      30% chance · 0.03 in0.7 mm

    3. Evening

      6 PM–midnight

      Drizzle, 61°16°

      30% chance · 0.18 in4.6 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 60°16°

      40% chance · 0.04 in0.9 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    67°19°–71°22°
    Low, likely
    56°13°–60°16°
    Typical high / low
    54°12° / 36°2°
    Wind
    17 mph27 km/h, gusts 37 mph60 km/h
    UV peak
    3
  10. Sunday, Nov 1. Drizzle. High 64°18°, low 56°13°. Typical 53°12° / 36°2°. Rain 0.36 in9.1 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 61°16°

      40% chance · 0.09 in2.3 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 63°17°

      40% chance · 0.15 in3.8 mm

    3. Evening

      6 PM–midnight

      Clear, 58°15°

      40% chance · 0.16 in3.9 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    60°16°–66°19°
    Low, likely
    45°7°–62°17°
    Typical high / low
    53°12° / 36°2°
    Wind
    18 mph30 km/h, gusts 39 mph63 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 71°, low 47°.

  2. Tomorrow

    Dry, high 71°, low 48°.

  3. Sunday

    Dry, high 74°, low 49°, warming up.

  4. Rest of week

    Highs 63–69°; chance of precipitation on Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LOT) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Fox River at Algonquin tailwater

2.7 mi
Below flood stage
Level
5.8 ft
Flow
870 cfs

Reading from Fri 9:30 PM · NWS gauge page

Fox River at Algonquin

3.0 mi
Below flood stage
Level
1.7 ft
Flow
984 cfs

Reading from Fri 9:45 PM · NWS gauge page

Tyler Creek at Elgin

4.5 mi
Below flood stage
Level
5.7 ft
Flow
11 cfs

Reading from Fri 8:45 PM · NWS gauge page

Poplar Creek at Elgin

7.0 mi
Below flood stage
Level
1.1 ft
Flow
7 cfs

Reading from Fri 8 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 88% less heating than a typical week.

This week 15Typical 126

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
1
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Sat, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

BARRINGTON 3SW · official normals 1991–2020 · records 1962–2026

Oct 23, today vs a typical year

Today’s expected high is 14°8° warmer than typical.

Normal high / low
57°14° / 39°4°
Forecast high / low
71°22° / 47°8°
Record high
82°28° in 1963
Record low
21°−6° in 1969

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

  1. −4°−2°SunOct 18
  2. +1°MonOct 19
  3. +4°+2°TueOct 20
  4. +4°+2°WedOct 21
  5. +8°+4°ThuOct 22
  6. +10°+5°FriOct 23
  7. —SatOct 24

Carpentersville weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:15 AM, sunset 5:59 PM.

Daylight
10 h 44 min
Losing 2 min 35 s a day; shortest Dec 21, 1 h 38 min less
Golden hour
5:20–6:16 PM
Morning 6:57–7:54 AM
Blue hour
6:16–6:27 PM
Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 12–3 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

95% lit · growing

Today
sets 4:18 AM · rises 4:33 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Carpentersville. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.