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As of 08:37 CDT

Weather in Grand Gulf, MS

82°Current weather

Grand Gulf, Sunday, 9 August, 08:37

Clear. Feels like 88°. High 95°, low 74°.

Pressure30.09 inHg
Wind3 mph SW
Humidity77%
Visibility6.2 mi
Dew point74°
Mon, 1098° / 74°0.04Light rain
98 °Light rain

Grand Gulf, Monday, 10 August

Light rain. High 98°, low 74°.

Pressure30.09 inHg
Wind5.7 mph S
Humidity44%
Visibility6.2 mi
Dew point69°
Tue, 11101° / 75°0Clear
101 °Clear

Grand Gulf, Tuesday, 11 August

Clear. High 101°, low 75°.

Pressure30.09 inHg
Wind6.9 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Wed, 12102° / 75°0Clear
102 °Clear

Grand Gulf, Wednesday, 12 August

Clear. High 102°, low 75°.

Pressure30.00 inHg
Wind7.6 mph SW
Humidity42%
Visibility6.2 mi
Dew point69°
Thu, 13104° / 77°0Partly cloudy
104 °Partly cloudy

Grand Gulf, Thursday, 13 August

Partly cloudy. High 104°, low 77°.

Pressure29.97 inHg
Wind10.4 mph SW
Humidity34%
Visibility—
Dew point63°
Fri, 14104° / 73°0Clear
104 °Clear

Grand Gulf, Friday, 14 August

Clear. High 104°, low 73°.

Pressure30.06 inHg
Wind10.6 mph SW
Humidity26%
Visibility—
Dew point56°
Sat, 15104° / 75°0Mostly clear
104 °Mostly clear

Grand Gulf, Saturday, 15 August

Mostly clear. High 104°, low 75°.

Pressure30.12 inHg
Wind8.8 mph SW
Humidity31%
Visibility—
Dew point62°
Sun, 16105° / 75°0Mostly clear
105 °Mostly clear

Grand Gulf, Sunday, 16 August

Mostly clear. High 105°, low 75°.

Pressure30.09 inHg
Wind7.5 mph SW
Humidity26%
Visibility—
Dew point60°
Mon, 17105° / 77°0.02Light rain
105 °Light rain

Grand Gulf, Monday, 17 August

Light rain. High 105°, low 77°.

Pressure30.00 inHg
Wind7.5 mph S
Humidity27%
Visibility—
Dew point61°
Tue, 18107° / 78°0Mostly clear
107 °Mostly clear

Grand Gulf, Tuesday, 18 August

Mostly clear. High 107°, low 78°.

Pressure29.94 inHg
Wind9.8 mph S
Humidity28%
Visibility—
Dew point62°
Wed, 19107° / 76°0Clear
107 °Clear

Grand Gulf, Wednesday, 19 August

Clear. High 107°, low 76°.

Pressure29.91 inHg
Wind12.5 mph SW
Humidity24%
Visibility—
Dew point57°
Thu, 20106° / 78°0Overcast
106 °Overcast

Grand Gulf, Thursday, 20 August

Overcast. High 106°, low 78°.

Pressure29.91 inHg
Wind12.1 mph SW
Humidity32%
Visibility—
Dew point62°
Fri, 21108° / 76°0.03Light rain
108 °Light rain

Grand Gulf, Friday, 21 August

Light rain. High 108°, low 76°.

Pressure29.88 inHg
Wind9.7 mph SW
Humidity28%
Visibility—
Dew point61°
Sat, 22107° / 77°0Partly cloudy
107 °Partly cloudy

Grand Gulf, Saturday, 22 August

Partly cloudy. High 107°, low 77°.

Pressure29.94 inHg
Wind11.8 mph SW
Humidity31%
Visibility—
Dew point63°
Sun, 23107° / 78°0.06Light rain
107 °Light rain

Grand Gulf, Sunday, 23 August

Light rain. High 107°, low 78°.

Pressure30.00 inHg
Wind11 mph SW
Humidity30%
Visibility—
Dew point63°
Mon, 24104° / 73°0.03Light rain
104 °Light rain

Grand Gulf, Monday, 24 August

Light rain. High 104°, low 73°.

Pressure30.00 inHg
Wind10.9 mph NE
Humidity32%
Visibility—
Dew point62°

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 Grand Gulf, MS 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 Grand Gulf, MS 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.