Monthly outlook for Blenheim, SC: average high 68.7°, average low 51°. That is 0.2° above the climate normal for October. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 2 November (77.1°), the coolest 7 November (36.9°).
68.7°/51°
Average high / low
+0.2°
Above normal
2 / 4
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
26 October – 4 November
73.5°
69.4°
+2.3°
5 November – 14 November
60.7°
65.4°
-2.6°
15 November – 24 November
at normal
62.7°
—
October records over 66 years
97.2°3 October 2019All-time high
31.8°29 October 1976All-time low
Tue, 2773° / 47°0
73 °
Blenheim, Tuesday, 27 October
Clear. High 73°, low 47°.
Pressure30.30 inHg
Wind5.7 mph NE
Humidity42%
Visibility6.2 mi
Dew point45°
Wed, 2872° / 52°0
72 °
Blenheim, Wednesday, 28 October
Overcast. High 72°, low 52°.
Pressure30.33 inHg
Wind8.4 mph NE
Humidity75%
Visibility6.2 mi
Dew point58°
Thu, 2977° / 62°0
77 °
Blenheim, Thursday, 29 October
Clear. High 77°, low 62°.
Pressure30.21 inHg
Wind7.4 mph NE
Humidity64%
Visibility6.2 mi
Dew point58°
Fri, 3077° / 57°0
77 °
Blenheim, Friday, 30 October
Clear. High 77°, low 57°.
Pressure30.12 inHg
Wind5.6 mph NE
Humidity47%
Visibility—
Dew point53°
Sat, 3175° / 58°0
75 °
Blenheim, Saturday, 31 October
Overcast. High 75°, low 58°.
Pressure30.21 inHg
Wind8.1 mph E
Humidity48%
Visibility—
Dew point52°
Sun, 0176° / 56°0.12
76 °
Blenheim, Sunday, 1 November
Light rain. High 76°, low 56°.
Pressure30.15 inHg
Wind14.3 mph SE
Humidity55%
Visibility—
Dew point56°
Mon, 0277° / 68°1.11
77 °
Blenheim, Monday, 2 November
Heavy rain. High 77°, low 68°.
Pressure29.77 inHg
Wind13.7 mph W
Humidity68%
Visibility—
Dew point64°
Tue, 0369° / 60°0.01
69 °
Blenheim, Tuesday, 3 November
Light rain. High 69°, low 60°.
Pressure29.80 inHg
Wind10.6 mph N
Humidity69%
Visibility—
Dew point57°
Wed, 0467° / 58°0
67 °
Blenheim, Wednesday, 4 November
Mostly clear. High 67°, low 58°.
Pressure30.03 inHg
Wind11 mph N
Humidity48%
Visibility—
Dew point45°
Thu, 0558° / 45°0
58 °
Blenheim, Thursday, 5 November
Overcast. High 58°, low 45°.
Pressure30.18 inHg
Wind13.9 mph NE
Humidity61%
Visibility—
Dew point44°
Fri, 0656° / 40°0
56 °
Blenheim, Friday, 6 November
Mostly clear. High 56°, low 40°.
Pressure30.21 inHg
Wind14 mph NE
Humidity31%
Visibility—
Dew point24°
Sat, 0758° / 37°0
58 °
Blenheim, Saturday, 7 November
Clear. High 58°, low 37°.
Pressure30.27 inHg
Wind7.2 mph NE
Humidity33%
Visibility—
Dew point26°
Sun, 0867° / 42°0
67 °
Blenheim, Sunday, 8 November
Clear. High 67°, low 42°.
Pressure30.12 inHg
Wind11.6 mph SW
Humidity27%
Visibility—
Dew point28°
Mon, 0963° / 47°0
63 °
Blenheim, Monday, 9 November
Clear. High 63°, low 47°.
Pressure30.12 inHg
Wind16.2 mph N
Humidity35%
Visibility—
Dew point33°
Tue, 1062° / 40°0
62 °
Blenheim, Tuesday, 10 November
Clear. High 62°, low 40°.
Pressure30.18 inHg
Wind6.1 mph SW
Humidity32%
Visibility—
Dew point29°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1165° / 47°0.16
65 °
Blenheim, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high65°
Average low47°
Average precipitation0.16 in
Chance of precipitation28%
Record high79° (2022)
Record low31° (2025)
Thu, 1264° / 47°0.2
64 °
Blenheim, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high64°
Average low47°
Average precipitation0.2 in
Chance of precipitation33%
Record high77° (1975)
Record low32° (1996)
Fri, 1363° / 44°0.08
63 °
Blenheim, Friday, 13 November
Climate normal for this date — 60-year average.
Average high63°
Average low44°
Average precipitation0.08 in
Chance of precipitation25%
Record high77° (1989)
Record low28° (2019)
Sat, 1462° / 44°0.09
62 °
Blenheim, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high62°
Average low44°
Average precipitation0.09 in
Chance of precipitation18%
Record high78° (2007)
Record low26° (2013)
Sun, 1563° / 45°0.12
63 °
Blenheim, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high63°
Average low45°
Average precipitation0.12 in
Chance of precipitation27%
Record high80° (1993)
Record low29° (1969)
Mon, 1664° / 45°0.06
64 °
Blenheim, Monday, 16 November
Climate normal for this date — 60-year average.
Average high64°
Average low45°
Average precipitation0.06 in
Chance of precipitation17%
Record high80° (2005)
Record low29° (1995)
Tue, 1763° / 45°0.06
63 °
Blenheim, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high63°
Average low45°
Average precipitation0.06 in
Chance of precipitation28%
Record high77° (1964)
Record low30° (1992)
Wed, 1864° / 44°0.04
64 °
Blenheim, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high64°
Average low44°
Average precipitation0.04 in
Chance of precipitation18%
Record high79° (2013)
Record low28° (1997)
Thu, 1964° / 45°0.07
64 °
Blenheim, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high64°
Average low45°
Average precipitation0.07 in
Chance of precipitation15%
Record high76° (2025)
Record low25° (2014)
Fri, 2063° / 46°0.07
63 °
Blenheim, Friday, 20 November
Climate normal for this date — 60-year average.
Average high63°
Average low46°
Average precipitation0.07 in
Chance of precipitation22%
Record high79° (1988)
Record low29° (1980)
Sat, 2162° / 45°0.08
62 °
Blenheim, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high62°
Average low45°
Average precipitation0.08 in
Chance of precipitation23%
Record high77° (1994)
Record low28° (1968)
Sun, 2261° / 44°0.11
61 °
Blenheim, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high61°
Average low44°
Average precipitation0.11 in
Chance of precipitation28%
Record high79° (2025)
Record low25° (2008)
Mon, 2361° / 44°0.09
61 °
Blenheim, Monday, 23 November
Climate normal for this date — 60-year average.
Average high61°
Average low44°
Average precipitation0.09 in
Chance of precipitation27%
Record high76° (2010)
Record low28° (1976)
Tue, 2462° / 44°0.11
62 °
Blenheim, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high62°
Average low44°
Average precipitation0.11 in
Chance of precipitation27%
Record high78° (1973)
Record low25° (1970)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Blenheim, SC are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Blenheim, SC since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.