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As of 02:26 CDT

Weather in Gretna, MO

57°Current weather

Gretna, Wednesday, 28 October, 02:26

Clear. Feels like 56°. High 80°, low 54°.

Pressure30.18 inHg
Wind0 mph N
Humidity77%
Visibility6.2 mi
Dew point51°
Thu, 2980° / 56°0Overcast
80 °Overcast

Gretna, Thursday, 29 October

Overcast. High 80°, low 56°.

Pressure30.15 inHg
Wind5 mph SW
Humidity58%
Visibility6.2 mi
Dew point61°
Fri, 3075° / 56°0Overcast
75 °Overcast

Gretna, Friday, 30 October

Overcast. High 75°, low 56°.

Pressure30.18 inHg
Wind5.8 mph SE
Humidity51%
Visibility6.2 mi
Dew point56°
Sat, 3169° / 58°0.01Light rain
69 °Light rain

Gretna, Saturday, 31 October

Light rain. High 69°, low 58°.

Pressure30.21 inHg
Wind5.1 mph E
Humidity63%
Visibility6.2 mi
Dew point53°
Sun, 0173° / 59°0.01Light rain
73 °Light rain

Gretna, Sunday, 1 November

Light rain. High 73°, low 59°.

Pressure30.12 inHg
Wind7.1 mph SE
Humidity57%
Visibility—
Dew point54°
Mon, 0269° / 61°0.31Rain
69 °Rain

Gretna, Monday, 2 November

Rain. High 69°, low 61°.

Pressure29.85 inHg
Wind11.2 mph SE
Humidity82%
Visibility—
Dew point59°
Tue, 0350° / 44°0.72Rain
50 °Rain

Gretna, Tuesday, 3 November

Rain. High 50°, low 44°.

Pressure29.56 inHg
Wind18.6 mph W
Humidity87%
Visibility—
Dew point40°
Wed, 0458° / 43°0.21Rain
58 °Rain

Gretna, Wednesday, 4 November

Rain. High 58°, low 43°.

Pressure29.91 inHg
Wind12.8 mph W
Humidity53%
Visibility—
Dew point38°
Thu, 0563° / 42°0.01Light rain
63 °Light rain

Gretna, Thursday, 5 November

Light rain. High 63°, low 42°.

Pressure30.03 inHg
Wind5.3 mph SW
Humidity39%
Visibility—
Dew point35°
Fri, 0658° / 50°0.03Light rain
58 °Light rain

Gretna, Friday, 6 November

Light rain. High 58°, low 50°.

Pressure30.00 inHg
Wind8.8 mph NW
Humidity57%
Visibility—
Dew point42°
Sat, 0758° / 45°0Overcast
58 °Overcast

Gretna, Saturday, 7 November

Overcast. High 58°, low 45°.

Pressure30.09 inHg
Wind7.6 mph NW
Humidity58%
Visibility—
Dew point42°
Sun, 0859° / 44°0.01Light rain
59 °Light rain

Gretna, Sunday, 8 November

Light rain. High 59°, low 44°.

Pressure30.21 inHg
Wind2.4 mph NW
Humidity65%
Visibility—
Dew point43°
Mon, 0968° / 44°0Overcast
68 °Overcast

Gretna, Monday, 9 November

Overcast. High 68°, low 44°.

Pressure30.00 inHg
Wind9.8 mph S
Humidity44%
Visibility—
Dew point41°
Tue, 1064° / 41°0.07Light rain
64 °Light rain

Gretna, Tuesday, 10 November

Light rain. High 64°, low 41°.

Pressure29.77 inHg
Wind13.5 mph W
Humidity78%
Visibility—
Dew point55°
Wed, 1145° / 38°0Overcast
45 °Overcast

Gretna, Wednesday, 11 November

Overcast. High 45°, low 38°.

Pressure30.06 inHg
Wind14.3 mph W
Humidity65%
Visibility—
Dew point31°
Thu, 1253° / 31°0Clear
53 °Clear

Gretna, Thursday, 12 November

Clear. High 53°, low 31°.

Pressure30.24 inHg
Wind4.7 mph W
Humidity41%
Visibility—
Dew point27°

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 Gretna, MO 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 Gretna, MO 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.