As of 03:32 CST

Weather in Mermentau, LA

72°Current weather

Mermentau, Monday, 2 November, 03:32

Overcast. Feels like 73°. High 85°, low 72°.

Pressure30.03 inHg
Wind5.7 mph E
Humidity94%
Visibility6.2 mi
Dew point70°

Monthly outlook for Mermentau, LA: average high 75°, average low 56.5°. That is 2.1° above the climate normal for November. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 2 November (84.6°), the coolest 15 November (44.3°).

75°/56.5°
Average high / low
+2.1°
Above normal
4 / 4
Wet days / normal
0.9 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
2 November – 11 November77.1°72.2°+2.8°
12 November – 21 November71.4°69.2°+1.2°
22 November – 1 Decemberat normal66.9°—

November records over 66 years

85.5°7 November 2024All-time high
26.2°13 November 2019All-time low

Climate normals and records are computed from the nearest reference point — Lake Arthur (9 mi).

Tue, 0382° / 69°0.24Rain
82 °Rain

Mermentau, Tuesday, 3 November

Rain. High 82°, low 69°.

Pressure29.91 inHg
Wind9.7 mph S
Humidity74%
Visibility2.6 mi
Dew point71°
Wed, 0474° / 59°0.06Rain
74 °Rain

Mermentau, Wednesday, 4 November

Rain. High 74°, low 59°.

Pressure29.94 inHg
Wind4.8 mph NW
Humidity60%
Visibility6.2 mi
Dew point58°
Thu, 0576° / 55°0Clear
76 °Clear

Mermentau, Thursday, 5 November

Clear. High 76°, low 55°.

Pressure29.94 inHg
Wind1.4 mph E
Humidity54%
Visibility6.2 mi
Dew point57°
Fri, 0678° / 59°0Clear
78 °Clear

Mermentau, Friday, 6 November

Clear. High 78°, low 59°.

Pressure29.94 inHg
Wind4.6 mph NE
Humidity51%
Visibility—
Dew point55°
Sat, 0775° / 61°0Overcast
75 °Overcast

Mermentau, Saturday, 7 November

Overcast. High 75°, low 61°.

Pressure30.00 inHg
Wind6.8 mph N
Humidity55%
Visibility—
Dew point55°
Sun, 0881° / 61°0Clear
81 °Clear

Mermentau, Sunday, 8 November

Clear. High 81°, low 61°.

Pressure29.94 inHg
Wind14 mph NW
Humidity35%
Visibility—
Dew point48°
Mon, 0969° / 48°0Clear
69 °Clear

Mermentau, Monday, 9 November

Clear. High 69°, low 48°.

Pressure30.18 inHg
Wind10.6 mph N
Humidity32%
Visibility—
Dew point33°
Tue, 1075° / 50°0Clear
75 °Clear

Mermentau, Tuesday, 10 November

Clear. High 75°, low 50°.

Pressure30.21 inHg
Wind6.1 mph SW
Humidity27%
Visibility—
Dew point34°
Wed, 1176° / 56°0Overcast
76 °Overcast

Mermentau, Wednesday, 11 November

Overcast. High 76°, low 56°.

Pressure30.18 inHg
Wind8 mph S
Humidity35%
Visibility—
Dew point43°
Thu, 1276° / 63°0.45Rain
76 °Rain

Mermentau, Thursday, 12 November

Rain. High 76°, low 63°.

Pressure30.00 inHg
Wind7.4 mph S
Humidity56%
Visibility—
Dew point57°
Fri, 1369° / 57°0.17Light rain
69 °Light rain

Mermentau, Friday, 13 November

Light rain. High 69°, low 57°.

Pressure30.00 inHg
Wind12.8 mph N
Humidity77%
Visibility—
Dew point61°
Sat, 1464° / 46°0Clear
64 °Clear

Mermentau, Saturday, 14 November

Clear. High 64°, low 46°.

Pressure30.27 inHg
Wind13.6 mph NE
Humidity36%
Visibility—
Dew point33°
Sun, 1568° / 44°0Clear
68 °Clear

Mermentau, Sunday, 15 November

Clear. High 68°, low 44°.

Pressure30.24 inHg
Wind7 mph SW
Humidity31%
Visibility—
Dew point31°
Mon, 1677° / 51°0Clear
77 °Clear

Mermentau, Monday, 16 November

Clear. High 77°, low 51°.

Pressure30.06 inHg
Wind6.8 mph NE
Humidity38%
Visibility—
Dew point44°
Tue, 1774° / 51°0Clear
74 °Clear

Mermentau, Tuesday, 17 November

Clear. High 74°, low 51°.

Pressure30.15 inHg
Wind8.4 mph E
Humidity34%
Visibility—
Dew point39°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1870° / 55°0.23Climate normal
70 °Climate normal

Mermentau, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high70°
Average low55°
Average precipitation0.23 in
Chance of precipitation33%
Record high83° (2025)
Record low35° (2014)
Thu, 1969° / 55°0.13Climate normal
69 °Climate normal

Mermentau, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high69°
Average low55°
Average precipitation0.13 in
Chance of precipitation30%
Record high84° (2025)
Record low32° (2014)
Fri, 2069° / 53°0.14Climate normal
69 °Climate normal

Mermentau, Friday, 20 November

Climate normal for this date — 60-year average.

Average high69°
Average low53°
Average precipitation0.14 in
Chance of precipitation28%
Record high82° (2025)
Record low35° (1980)
Sat, 2168° / 53°0.09Climate normal
68 °Climate normal

Mermentau, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high68°
Average low53°
Average precipitation0.09 in
Chance of precipitation25%
Record high83° (2025)
Record low36° (2006)
Sun, 2268° / 52°0.08Climate normal
68 °Climate normal

Mermentau, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high68°
Average low52°
Average precipitation0.08 in
Chance of precipitation22%
Record high82° (2025)
Record low34° (2000)
Mon, 2368° / 52°0.15Climate normal
68 °Climate normal

Mermentau, Monday, 23 November

Climate normal for this date — 60-year average.

Average high68°
Average low52°
Average precipitation0.15 in
Chance of precipitation32%
Record high80° (1973)
Record low34° (1975)
Tue, 2467° / 52°0.11Climate normal
67 °Climate normal

Mermentau, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high67°
Average low52°
Average precipitation0.11 in
Chance of precipitation28%
Record high80° (2025)
Record low32° (1970)
Wed, 2568° / 52°0.13Climate normal
68 °Climate normal

Mermentau, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high68°
Average low52°
Average precipitation0.13 in
Chance of precipitation30%
Record high83° (2025)
Record low34° (1970)
Thu, 2668° / 54°0.14Climate normal
68 °Climate normal

Mermentau, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high68°
Average low54°
Average precipitation0.14 in
Chance of precipitation33%
Record high79° (2001)
Record low39° (1974)
Fri, 2767° / 53°0.26Climate normal
67 °Climate normal

Mermentau, Friday, 27 November

Climate normal for this date — 60-year average.

Average high67°
Average low53°
Average precipitation0.26 in
Chance of precipitation38%
Record high80° (1994)
Record low34° (1975)
Sat, 2865° / 50°0.18Climate normal
65 °Climate normal

Mermentau, Saturday, 28 November

Climate normal for this date — 60-year average.

Average high65°
Average low50°
Average precipitation0.18 in
Chance of precipitation33%
Record high78° (1960)
Record low32° (2013)
Sun, 2966° / 50°0.11Climate normal
66 °Climate normal

Mermentau, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high66°
Average low50°
Average precipitation0.11 in
Chance of precipitation28%
Record high79° (2016)
Record low30° (2013)
Mon, 3066° / 50°0.16Climate normal
66 °Climate normal

Mermentau, Monday, 30 November

Climate normal for this date — 60-year average.

Average high66°
Average low50°
Average precipitation0.16 in
Chance of precipitation38%
Record high79° (1991)
Record low27° (1976)
Tue, 0165° / 48°0.12Climate normal
65 °Climate normal

Mermentau, Tuesday, 1 December

Climate normal for this date — 60-year average.

Average high65°
Average low48°
Average precipitation0.12 in
Chance of precipitation22%
Record high78° (1982)
Record low31° (1976)

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 Mermentau, LA 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 Mermentau, LA 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.