Observed 1:35 PM EDT at KDNL

Johnston, SC weather

Sunny and 70°21°, jacket by 9 PM.

Forecasts agree

Now 70°21°

Sunny

Wind: 15 mph24 km/hgusts 22 mph35 km/h; From the north-northeast. 813–15 mph24 km/h through 1 AM
Dew point: 46°8°; Comfortable
UV index: 5Moderate; Moderate until 5 PM
Pressure: 30.38 inHg1029 hPa; Falling · −0.06 inHg−2.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 68°20° today at 3 PM
Below 60°16° tonight after 9 PM
Low 47°8° tomorrow at 7 AM
Gusts to 25 mph40 km/h tomorrow 10–11 AM
Above 60°16° tomorrow by noon

This afternoonNear 67°19° · Clear
TonightDown to 48°9° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · gusts to 25 mph40 km/h · Clear
Tomorrow afternoonUp to 70°21° by 4 PM · Clear
Tomorrow nightDown to 48°9° by 5 AM · Clear
Monday morningUp to 61°16° by 11 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	13 mph21 km/h from NE, gusts 20 mph32 km/h	56%	2%	5
Sat 2p	Sunny	67°19° (likely 66°19° to 67°19°)	67°19°	0%	12 mph19 km/h from NE, gusts 19 mph31 km/h	52%	3%	5
Sat 3p	Sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	13 mph21 km/h from NE, gusts 18 mph29 km/h	51%	2%	4
Sat 4p	Sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	13 mph21 km/h from NE, gusts 17 mph28 km/h	49%	2%	3
Sat 5p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	13 mph21 km/h from NE, gusts 16 mph27 km/h	49%	2%	1
Sat 6p	Sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	12 mph19 km/h from NE, gusts 17 mph27 km/h	52%	0%	0
Sat 7p	Clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	60%	0%	0
Sat 8p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	8 mph13 km/h from NE, gusts 12 mph19 km/h	72%	1%	0
Sat 9p	Clear	55°13° (likely 55°13° to 59°15°)	55°13°	0%	8 mph13 km/h from NE, gusts 13 mph20 km/h	83%	3%	0
Sat 10p	Clear	53°12° (likely 53°12° to 58°14°)	53°12°	0%	8 mph13 km/h from NE, gusts 13 mph21 km/h	86%	2%	0
Sat 11p	Clear	52°11° (likely 52°11° to 57°14°)	52°11°	0%	8 mph13 km/h from NE, gusts 15 mph24 km/h	89%	1%	0
Sun 12a	Clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	8 mph13 km/h from NE, gusts 16 mph25 km/h	93%	3%	0
Sun 1a	Clear	50°10° (likely 50°10° to 56°13°)	47°8°	0%	8 mph13 km/h from NE, gusts 15 mph24 km/h	93%	7%	0
Sun 2a	Clear	50°10° (likely 50°10° to 55°13°)	47°8°	0%	8 mph13 km/h from NE, gusts 15 mph24 km/h	93%	9%	0
Sun 3a	Clear	49°9° (likely 49°9° to 54°12°)	45°7°	0%	9 mph14 km/h from NE, gusts 15 mph24 km/h	93%	2%	0
Sun 4a	Clear	48°9° (likely 48°9° to 53°12°)	43°6°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	96%	3%	0
Sun 5a	Clear	48°9° (likely 48°9° to 53°12°)	43°6°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	96%	7%	0
Sun 6a	Clear	48°9° (likely 48°9° to 52°11°)	43°6°	0%	10 mph16 km/h from NE, gusts 15 mph24 km/h	93%	11%	0
Sun 7a	Clear	47°8° (likely 47°8° to 51°11°)	42°6°	0%	10 mph16 km/h from NE, gusts 15 mph24 km/h	100%	13%	0
Sun 8a	Sunny	47°8° (likely 47°8° to 51°11°)	42°6°	0%	12 mph19 km/h from N, gusts 17 mph28 km/h	96%	15%	0
Sun 9a	Sunny	49°9° (likely 49°9° to 53°12°)	44°7°	0%	13 mph21 km/h from NE, gusts 25 mph40 km/h	96%	16%	1
Sun 10a	Sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	13 mph21 km/h from NE, gusts 25 mph40 km/h	86%	17%	2
Sun 11a	Sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	13 mph21 km/h from NE, gusts 24 mph39 km/h	78%	9%	3
Sun 12p	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	13 mph21 km/h from NE, gusts 23 mph37 km/h	67%	8%	4
Sun 1p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	13 mph21 km/h from NE, gusts 22 mph36 km/h	61%	6%	5
Sun 2p	Sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	13 mph21 km/h from NE, gusts 22 mph35 km/h	57%	8%	5
Sun 3p	Sunny	69°21° (likely 68°20° to 70°21°)	69°21°	0%	13 mph21 km/h from NE, gusts 20 mph32 km/h	57%	14%	5
Sun 4p	Sunny	70°21° (likely 68°20° to 70°21°)	70°21°	0%	13 mph21 km/h from NE, gusts 19 mph31 km/h	55%	7%	4
Sun 5p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	13 mph21 km/h from NE, gusts 19 mph30 km/h	57%	10%	2
Sun 6p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	12 mph19 km/h from NE, gusts 19 mph30 km/h	57%	7%	1
Sun 7p	Clear	65°18° (likely 62°17° to 65°18°)	65°18°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	68%	7%	0
Sun 8p	Clear	59°15° (likely 59°15° to 62°17°)	59°15°	0%	9 mph14 km/h from NE, gusts 11 mph18 km/h	80%	7%	0
Sun 9p	Clear	56°13° (likely 56°13° to 61°16°)	56°13°	0%	9 mph14 km/h from NE, gusts 12 mph19 km/h	86%	6%	0
Sun 10p	Clear	55°13° (likely 55°13° to 59°15°)	55°13°	0%	9 mph14 km/h from NE, gusts 12 mph20 km/h	86%	6%	0
Sun 11p	Clear	54°12° (likely 54°12° to 58°14°)	54°12°	0%	8 mph13 km/h from NE, gusts 13 mph21 km/h	90%	3%	0
Mon 12a	Clear	53°12° (likely 53°12° to 57°14°)	53°12°	0%	8 mph13 km/h from NE, gusts 13 mph22 km/h	93%	2%	0
Mon 1a	Clear	52°11° (likely 52°11° to 57°14°)	52°11°	0%	7 mph11 km/h from NE, gusts 14 mph23 km/h	93%	0%	0
Mon 2a	Clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	7 mph11 km/h from NE, gusts 14 mph22 km/h	96%	0%	0
Mon 3a	Clear	50°10° (likely 50°10° to 56°13°)	47°8°	0%	7 mph11 km/h from NE, gusts 12 mph19 km/h	96%	0%	0
Mon 4a	Clear	49°9° (likely 49°9° to 55°13°)	46°8°	0%	8 mph13 km/h from NE, gusts 11 mph18 km/h	100%	6%	0
Mon 5a	Clear	48°9° (likely 48°9° to 53°12°)	44°7°	0%	8 mph13 km/h from NE, gusts 11 mph18 km/h	100%	8%	0
Mon 6a	Clear	47°8° (likely 47°8° to 52°11°)	43°6°	0%	8 mph13 km/h from NE, gusts 12 mph19 km/h	100%	8%	0
Mon 7a	Clear	46°8° (likely 46°8° to 51°11°)	42°6°	0%	8 mph13 km/h from NE, gusts 12 mph20 km/h	100%	9%	0
Mon 8a	Sunny	47°8° (likely 47°8° to 50°10°)	43°6°	0%	8 mph13 km/h from NE, gusts 13 mph20 km/h	100%	11%	0
Mon 9a	Sunny	51°11° (likely 50°10° to 53°12°)	51°11°	0%	8 mph13 km/h from NE, gusts 15 mph24 km/h	89%	15%	1
Mon 10a	Sunny	56°13° (likely 54°12° to 58°14°)	56°13°	0%	9 mph14 km/h from NE, gusts 17 mph28 km/h	77%	13%	2
Mon 11a	Sunny	61°16° (likely 60°16° to 63°17°)	61°16°	0%	9 mph14 km/h from NE, gusts 16 mph26 km/h	65%	0%	3
Mon 12p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	9 mph14 km/h from NE, gusts 17 mph27 km/h	54%	0%	4

Days ahead

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

Today, Oct 24. Sunny. High 68°20°, low 46°8°. Typical 72°22° / 46°8°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 68°20°
  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 68. Northeast wind around 13 mph.
Tonight: Mostly clear, with a low around 46. Northeast wind 8 to 12 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
46°8°–50°10°
Typical high / low
72°22° / 46°8°
Wind
14 mph22 km/h, gusts 26 mph41 km/h
UV peak
5
Tomorrow, Oct 25. Partly sunny. High 71°22°, low 46°8°. Typical 72°22° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 71. Northeast wind around 13 mph.
Night: Partly cloudy, with a low around 46. Northeast wind 7 to 12 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–71°22°
Low, likely
46°8°–51°11°
Typical high / low
72°22° / 46°8°
Wind
15 mph24 km/h, gusts 30 mph49 km/h
UV peak
5
Monday, Oct 26. Sunny. High 72°22°, low 41°5°. Typical 71°22° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 72. Northeast wind around 9 mph.
Night: Clear, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
41°5°–50°10°
Typical high / low
71°22° / 45°7°
Wind
12 mph19 km/h, gusts 23 mph37 km/h
UV peak
5
Tuesday, Oct 27. Sunny. High 75°24°, low 45°7°. Typical 71°22° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 75.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
43°6°–48°9°
Typical high / low
71°22° / 45°7°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 72°22°, low 48°9°. Typical 71°22° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  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 72.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
69°21°–74°23°
Low, likely
47°8°–51°11°
Typical high / low
71°22° / 44°7°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 74°23°, low 48°9°. Typical 70°21° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°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 74.
Night: Mostly clear, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–75°24°
Low, likely
48°9°–60°16°
Typical high / low
70°21° / 44°7°
Wind
13 mph21 km/h, gusts 26 mph42 km/h
UV peak
5
Friday, Oct 30. Mostly sunny. High 77°25°, low 50°10°. Typical 70°21° / 44°7°. Dry. Mostly 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, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 77.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–77°25°
Low, likely
50°10°–58°14°
Typical high / low
70°21° / 44°7°
Wind
12 mph19 km/h, gusts 21 mph34 km/h
UV peak
5
Saturday, Oct 31. Cloudy. High 76°24°, low 57°14°. Typical 70°21° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 61°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
74°23°–78°26°
Low, likely
53°12°–59°15°
Typical high / low
70°21° / 43°6°
Wind
13 mph20 km/h, gusts 27 mph44 km/h
UV peak
5
Sunday, Nov 1. Cloudy. High 76°24°, low 60°16°. Typical 69°21° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 61°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–79°26°
Low, likely
55°13°–64°18°
Typical high / low
69°21° / 43°6°
Wind
13 mph20 km/h, gusts 27 mph44 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 75°24°, low 60°16°. Typical 69°21° / 43°6°. Rain 0.12 in3 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  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
71°22°–77°25°
Low, likely
54°12°–65°18°
Typical high / low
69°21° / 43°6°
Wind
17 mph27 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 46°.
Tomorrow
Dry, high 71°, low 46°, warming up.
Monday
Dry, high 72°, low 41°.
Rest of week
Mostly dry, highs 72–77°.

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

Stevens Creek near Modoc

23 mi

Below flood stage

Level: 2.1 ft
Flow: under 1 cfs

Forecast peak 2.2 ft Sat 2 PM

Reading from Sat 12 PM · NWS gauge page

Saluda River at Chappells

24 mi

Below flood stage

Level: 1.6 ft
Flow: 343 cfs

Forecast peak 2.2 ft Tue 8 PM

Reading from Sat 11:15 AM · NWS gauge page

South Fork Edisto River below Monetta

11 mi

Level: 3.8 ft

Reading from Sat 12 PM · NWS gauge page

Turkey Creek Below Johnston

12 mi

Level: 5.9 ft

Reading from Sat 11:15 AM · NWS gauge page

For your home

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

Heating this week

About 64% less heating than a typical week.

This week 18Typical 50

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 5
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?

Today, 2:00 PM–8:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Saluda · official normals 1991–2020 · records 1902–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

—SunOct 18
−8°−4°MonOct 19
−8°−4°TueOct 20
−4°−2°WedOct 21
−3°−2°ThuOct 22
−1°FriOct 23
±0°SatOct 24

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

Sun & moon

Sun

Daylight: 11 h 3 min; Losing 1 min 57 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 6:08–6:58 PM; Morning 7:24–8:13 AM
Blue hour: 6:58–7:08 PM; Morning 7:14–7:24 AM; first light 7:14 AM

Stars tonight? Fair

Clear 7:08 PM–7:14 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:55 AM · rises 5:38 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Johnston. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.