Observed 1:40 PM EDT at KCAE

Irmo, SC weather

Sunny and 70°21°, jacket by 9 PM.

Mostly agree

Now 70°21°

Sunny

Wind: 13 mph20 km/h; From the northeast. 58–13 mph20 km/h through 2 AM
Dew point: 36°2°; Comfortable · up to 44°7° by 6 PM
UV index: 5Moderate; Moderate until 4 PM
Air quality: 38Good; Main pollutant: Ozone
Pressure: 30.23 inHg1024 hPa; Falling slowly · −0.04 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 70°21° today at 3 PM
Below 60°16° tonight after 9 PM
Low 48°9° tonight at 5 AM
Above 60°16° tomorrow by noon

This afternoonNear 70°21° · Clear
TonightDown to 48°9° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 68°20° by 3 PM · Clear
Tomorrow nightDown to 48°9° by 5 AM · Clear
Sunday morningUp to 60°16° by 11 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 2p	Sunny	69°21° (likely 68°20° to 71°22°)	69°21°	0%	8 mph13 km/h from NE, gusts 14 mph23 km/h	36%	0%	5
Fri 3p	Sunny	70°21° (likely 69°21° to 72°22°)	70°21°	0%	9 mph14 km/h from NE, gusts 14 mph22 km/h	36%	0%	4
Fri 4p	Sunny	70°21° (likely 69°21° to 73°23°)	70°21°	0%	9 mph14 km/h from NE, gusts 14 mph23 km/h	36%	0%	2
Fri 5p	Sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	9 mph14 km/h from NE, gusts 14 mph23 km/h	36%	0%	1
Fri 6p	Sunny	68°20° (likely 65°18° to 70°21°)	68°20°	0%	7 mph11 km/h from NE, gusts 14 mph23 km/h	42%	0%	0
Fri 7p	Clear	64°18° (likely 61°16° to 65°18°)	64°18°	0%	7 mph11 km/h from NE, gusts 11 mph18 km/h	50%	0%	0
Fri 8p	Clear	60°16° (likely 58°14° to 62°17°)	60°16°	0%	6 mph10 km/h from NE, gusts 9 mph14 km/h	58%	0%	0
Fri 9p	Clear	55°13° (likely 55°13° to 60°16°)	55°13°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	69%	0%	0
Fri 10p	Clear	53°12° (likely 53°12° to 58°14°)	53°12°	0%	5 mph8 km/h from NE, gusts 10 mph17 km/h	77%	0%	0
Fri 11p	Clear	51°11° (likely 51°11° to 57°14°)	51°11°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	80%	0%	0
Sat 12a	Clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	5 mph8 km/h from N, gusts 10 mph16 km/h	83%	0%	0
Sat 1a	Clear	50°10° (likely 50°10° to 56°13°)	49°9°	0%	5 mph8 km/h from N, gusts 11 mph17 km/h	86%	0%	0
Sat 2a	Clear	50°10° (likely 50°10° to 55°13°)	48°9°	0%	6 mph10 km/h from NE, gusts 11 mph18 km/h	86%	4%	0
Sat 3a	Clear	49°9° (likely 49°9° to 54°12°)	47°8°	0%	6 mph10 km/h from NE, gusts 14 mph22 km/h	93%	5%	0
Sat 4a	Clear	49°9° (likely 49°9° to 54°12°)	47°8°	0%	7 mph11 km/h from NE, gusts 13 mph22 km/h	96%	1%	0
Sat 5a	Clear	48°9° (likely 48°9° to 54°12°)	45°7°	0%	7 mph11 km/h from NE, gusts 13 mph21 km/h	100%	0%	0
Sat 6a	Clear	48°9° (likely 48°9° to 53°12°)	45°7°	0%	7 mph11 km/h from NE, gusts 13 mph22 km/h	100%	6%	0
Sat 7a	Clear	48°9° (likely 48°9° to 52°11°)	45°7°	0%	8 mph13 km/h from NE, gusts 14 mph22 km/h	100%	11%	0
Sat 8a	Sunny	48°9° (likely 48°9° to 52°11°)	44°7°	0%	8 mph13 km/h from N, gusts 14 mph23 km/h	100%	15%	0
Sat 9a	Sunny	50°10° (likely 50°10° to 54°12°)	46°8°	0%	9 mph14 km/h from NE, gusts 19 mph30 km/h	96%	17%	1
Sat 10a	Sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	10 mph16 km/h from NE, gusts 22 mph35 km/h	83%	18%	2
Sat 11a	Sunny	59°15° (likely 59°15° to 63°17°)	59°15°	0%	10 mph16 km/h from NE, gusts 20 mph32 km/h	72%	8%	3
Sat 12p	Sunny	63°17° (likely 62°17° to 66°19°)	63°17°	0%	12 mph19 km/h from NE, gusts 19 mph31 km/h	60%	6%	4
Sat 1p	Sunny	65°18° (likely 65°18° to 68°20°)	65°18°	0%	12 mph19 km/h from NE, gusts 19 mph31 km/h	54%	5%	5
Sat 2p	Sunny	67°19° (likely 67°19° to 70°21°)	67°19°	0%	12 mph19 km/h from NE, gusts 18 mph28 km/h	50%	6%	5
Sat 3p	Sunny	68°20° (likely 68°20° to 71°22°)	68°20°	0%	12 mph19 km/h from NE, gusts 17 mph28 km/h	49%	6%	5
Sat 4p	Sunny	68°20° (likely 68°20° to 71°22°)	68°20°	0%	12 mph19 km/h from NE, gusts 17 mph28 km/h	49%	3%	4
Sat 5p	Sunny	68°20° (likely 67°19° to 71°22°)	68°20°	0%	12 mph19 km/h from NE, gusts 17 mph28 km/h	49%	6%	2
Sat 6p	Sunny	66°19° (likely 64°18° to 69°21°)	66°19°	0%	10 mph16 km/h from NE, gusts 17 mph28 km/h	52%	5%	1
Sat 7p	Clear	64°18° (likely 61°16° to 66°19°)	64°18°	0%	9 mph14 km/h from NE, gusts 17 mph27 km/h	58%	4%	0
Sat 8p	Mostly clear	60°16° (likely 59°15° to 64°18°)	60°16°	0%	8 mph13 km/h from NE, gusts 16 mph25 km/h	64%	14%	0
Sat 9p	Clear	56°13° (likely 56°13° to 62°17°)	56°13°	0%	8 mph13 km/h from NE, gusts 13 mph21 km/h	74%	22%	0
Sat 10p	Partly cloudy	54°12° (likely 54°12° to 61°16°)	54°12°	0%	8 mph13 km/h from NE, gusts 14 mph22 km/h	80%	19%	0
Sat 11p	Clear	53°12° (likely 53°12° to 60°16°)	53°12°	0%	7 mph11 km/h from NE, gusts 15 mph24 km/h	80%	5%	0
Sun 12a	Clear	52°11° (likely 52°11° to 59°15°)	52°11°	0%	6 mph10 km/h from NE, gusts 15 mph24 km/h	83%	5%	0
Sun 1a	Clear	52°11° (likely 52°11° to 58°14°)	52°11°	0%	6 mph10 km/h from NE, gusts 17 mph27 km/h	83%	5%	0
Sun 2a	Clear	51°11° (likely 51°11° to 57°14°)	51°11°	0%	6 mph10 km/h from NE, gusts 16 mph26 km/h	86%	5%	0
Sun 3a	Clear	50°10° (likely 50°10° to 57°14°)	47°8°	0%	7 mph11 km/h from NE, gusts 17 mph27 km/h	89%	0%	0
Sun 4a	Clear	49°9° (likely 49°9° to 56°13°)	46°8°	0%	7 mph11 km/h from NE, gusts 16 mph25 km/h	89%	9%	0
Sun 5a	Clear	48°9° (likely 48°9° to 55°13°)	44°7°	0%	8 mph13 km/h from NE, gusts 17 mph27 km/h	93%	14%	0
Sun 6a	Clear	47°8° (likely 47°8° to 55°13°)	43°6°	0%	8 mph13 km/h from NE, gusts 17 mph28 km/h	93%	19%	0
Sun 7a	Clear	47°8° (likely 47°8° to 54°12°)	43°6°	0%	8 mph13 km/h from N, gusts 18 mph29 km/h	93%	27%	0
Sun 8a	Sunny	48°9° (likely 48°9° to 54°12°)	44°7°	0%	9 mph14 km/h from N, gusts 20 mph32 km/h	89%	32%	0
Sun 9a	Sunny	51°11° (likely 51°11° to 57°14°)	51°11°	0%	10 mph16 km/h from N, gusts 22 mph35 km/h	83%	39%	1
Sun 10a	Sunny	56°13° (likely 54°12° to 59°15°)	56°13°	0%	10 mph16 km/h from NE, gusts 22 mph36 km/h	74%	33%	2
Sun 11a	Sunny	60°16° (likely 58°14° to 64°18°)	60°16°	0%	12 mph19 km/h from NE, gusts 20 mph33 km/h	67%	22%	3
Sun 12p	Sunny	63°17° (likely 62°17° to 67°19°)	63°17°	0%	12 mph19 km/h from NE, gusts 19 mph31 km/h	62%	14%	4
Sun 1p	Sunny	66°19° (likely 66°19° to 69°21°)	66°19°	0%	12 mph19 km/h from NE, gusts 19 mph30 km/h	56%	8%	5

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Sunny. High 70°21°, low 48°9°. Typical 74°23° / 49°9°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Today: Sunny, with a high near 70. Northeast wind around 9 mph.
Tonight: Clear, with a low around 48. Northeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
46°8°–52°11°
Typical high / low
74°23° / 49°9°
Wind
10 mph16 km/h, gusts 18 mph28 km/h
UV peak
5
Tomorrow, Oct 24. Mostly sunny. High 68°20°, low 47°8°. Typical 74°23° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. Northeast wind 7 to 12 mph.
Night: Mostly clear, with a low around 47. Northeast wind 6 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
47°8°–52°11°
Typical high / low
74°23° / 49°9°
Wind
13 mph21 km/h, gusts 25 mph40 km/h
UV peak
5
Sunday, Oct 25. Sunny. High 70°21°, low 44°7°. Typical 74°23° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. Northeast wind 8 to 12 mph.
Night: Clear, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
44°7°–54°12°
Typical high / low
74°23° / 48°9°
Wind
12 mph20 km/h, gusts 28 mph46 km/h
UV peak
5
Monday, Oct 26. Sunny. High 71°22°, low 42°6°. Typical 73°23° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71.
Night: Clear, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
42°6°–52°11°
Typical high / low
73°23° / 48°9°
Wind
10 mph15 km/h, gusts 21 mph33 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 74°23°, low 46°8°. Typical 73°23° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
45°7°–50°10°
Typical high / low
73°23° / 48°9°
Wind
9 mph14 km/h, gusts 14 mph22 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 71°22°, low 48°9°. Typical 72°22° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
48°9°–51°11°
Typical high / low
72°22° / 47°8°
Wind
11 mph18 km/h, gusts 19 mph30 km/h
UV peak
5
Thursday, Oct 29. Partly sunny. High 73°23°, low 50°10°. Typical 72°22° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
50°10°–62°17°
Typical high / low
72°22° / 47°8°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
5
Friday, Oct 30. Sunny. High 77°25°, low 54°12°. Typical 72°22° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
76°24°–78°26°
Low, likely
48°9°–58°14°
Typical high / low
72°22° / 46°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
5
Saturday, Oct 31. Cloudy. High 73°23°, low 57°14°. Typical 71°22° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  Dry
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
69°21°–76°24°
Low, likely
51°11°–61°16°
Typical high / low
71°22° / 46°8°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 73°23°, low 60°16°. Typical 71°22° / 46°8°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  20% chance
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–82°28°
Low, likely
52°11°–68°20°
Typical high / low
71°22° / 46°8°
Wind
10 mph17 km/h, gusts 20 mph32 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 48°.
Tomorrow
Dry, high 68°, low 47°.
Sunday
Dry, high 70°, low 44°.
Rest of week
Mostly dry, highs 71–77°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (CAE) (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

Congaree River at Columbia

11 mi

Below flood stage

Level: 3.8 ft
Flow: 4,130 cfs

Forecast peak 3.8 ft Fri 2 PM

Reading from Fri 1 PM · NWS gauge page

Saluda River below Lake Murray Dam

3.7 mi

Level: 5.8 ft
Flow: 2,420 cfs

Reading from Fri 1 PM · NWS gauge page

Lake Murray

3.8 mi

Below flood stage

Level: 355 ft

Reading from Fri 1 PM · NWS gauge page

Broad River in NC/SC near Columbia

8.0 mi

Level: 154 ft

Reading from Fri 1 PM · NWS gauge page

For your home

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

Heating this week

About 43% less heating than a typical week.

This week 18Typical 31

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 2
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 36°F).

Open the windows?

Today, 3:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Columbia Metropolitan Airport · official normals 1991–2020 · records 1887–2026

Oct 23, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

On average 5°3° colder than normal (daily mean temperature).

−1°SatOct 17
−7°−4°SunOct 18
−7°−4°MonOct 19
−5°−3°TueOct 20
−4°−2°WedOct 21
−3°−2°ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 11 h 4 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 12 min less
Golden hour: 6:06–6:56 PM; Morning 7:20–8:10 AM
Blue hour: 6:56–7:06 PM; Morning 7:11–7:20 AM; first light 7:11 AM

Stars tonight? Good

Clear 7:06 PM–7:11 AM; moon 95% lit, sets 5:53 AM.

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:49 AM · rises 5:06 PM
Full moon: Oct 26
New moon: Nov 9

Looking southwest from Irmo.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Irmo, SC weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Congaree River at Columbia

Saluda River below Lake Murray Dam

Lake Murray

Broad River in NC/SC near Columbia

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon