Charleston, SC

4 October 2026: 2026 so far brought 26.26 in of precipitation in Charleston, SC, the driest 1 January to 4 October since 1954, 2nd driest of 89.

Sunday 4 October 2026

Sunday 4 October 2026: a high of 83°F in Charleston, SC, the warmest 4 October since 2025, tied 29th warmest of 90 (with 2017, 2012, 1997 and 7 other years).
Sunday 4 October 2026: a low of 72°F in Charleston, SC, the warmest 4 October night since 2019, tied 7th warmest of 90 (with 1985 and 1937).
Sunday 4 October 2026: 1.29 in of precipitation in Charleston, SC, the wettest 4 October since 2015, 6th wettest of 90.

ForecastForecast for Monday 5 October 2026: a high of 74°F in Charleston, SC, which would be the coldest 5 October day since 2016, tied 15th coldest of 90 (with 2016, 1988 and 1974) (National Weather Service forecast).
ForecastForecast for Monday 5 October 2026: a low of 68°F in Charleston, SC, which would be the warmest 5 October night since 2025, tied 14th warmest of 90 (with 2012, 1982 and 1973) (National Weather Service forecast).

Every 4 October high in Charleston, SC since 1937: 83°F in 2026; the highest is 94°F, in 2019.

Every 4 October low in Charleston, SC since 1937: 72°F in 2026; the lowest is 37°F, in 1974.

Every year as a table

October 2026 so far averaged 78°F in Charleston, SC, the warmest 1 to 4 October since 2019, 8th warmest of 90.
October 2026 so far brought 1.45 in of precipitation in Charleston, SC, the wettest 1 to 4 October since 2015, 14th wettest of 90.
Fall 2026 so far averaged 78.4°F in Charleston, SC, the warmest 1 September to 4 October since 2019, 10th warmest of 90.
Fall 2026 so far brought 4.99 in of precipitation in Charleston, SC, the driest 1 September to 4 October since 2025, 42nd driest of 90.
2026 so far averaged 70.6°F in Charleston, SC, the warmest 1 January to 4 October since 2024, 7th warmest of 89.
The 30 days to Sunday 4 October 2026 brought 4.99 in of precipitation in Charleston, SC, the driest 30 days to 4 October since 2025, 52nd driest of 90.
The 60 days to Sunday 4 October 2026 brought 9.30 in of precipitation in Charleston, SC, the driest 60 days to 4 October since 2018, 30th driest of 90.
The 90 days to Sunday 4 October 2026 brought 14.68 in of precipitation in Charleston, SC, the driest 90 days to 4 October since 2018, 23rd driest of 90.

Daily highs and lows in Charleston, SC, 1 to 4 October 2026, with each date's record range and its 1991 to 2020 normal range.

Every day as a table

Day	High, °F	Low, °F	Record high	Record high year	Record low	Record low year	Normal high	Normal low
1 October 2026	88	64	91	1986	44	2001	82.5	63
2 October 2026	90	70	93	1986	43	1946	82	63
3 October 2026	83	74	93	2019	42	1974	82.5	64
4 October 2026	83	72	94	2019	37	1974	82	64.5

Every year's 1 to 4 October in Charleston, SC, ranked by its mean temperature: October 2026 so far is the 8th warmest of 90.

Every year, ranked, as a table

Charleston, SC has had 89 days at 90°F or above in 2026 through 4 October, the most by that date since 2016, 5th most of 89.
Charleston, SC has had 1 day at 100°F or above in 2026 through 4 October, the most by that date since 2019, tied 19th most of 89 (with 2008, 2005, 2000 and 6 other years).
Charleston, SC has had 25 freezing nights (a low of 32°F or below) in 2026 through 4 October, the most by that date since 2010, tied 22nd most of 89 (with 1976).
The last freeze of spring 2026 in Charleston, SC came on Wednesday 18 March 2026, the latest since 2021, tied 32nd latest of 89 (with 1978, 1976 and 1967).

Charleston, SC on 5 October: record high 94°F (1986 and 1954), record low 42°F (1974).
Charleston, SC on 6 October: record high 93°F (1954), record low 45°F (1964).

Daily records for Charleston, SC run from 1937 to 4 October 2026, with 1 day missing; current station CHARLESTON INTL. AIRPORT.

Our calculation from NOAA records for Charleston, SC, 1937 to 2026. Preliminary until NOAA's final data.