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As of 07:43 EDT

Weather in Rio Vista, MD

79°Current weather

Rio Vista, Sunday, 9 August, 07:43

Overcast. Feels like 79°. High 89°, low 74°.

Pressure30.03 inHg
Wind2 mph SW
Humidity93%
Visibility6.2 mi
Dew point77°
Mon, 1091° / 75°0Partly cloudy
91 °Partly cloudy

Rio Vista, Monday, 10 August

Partly cloudy. High 91°, low 75°.

Pressure30.00 inHg
Wind6.8 mph SW
Humidity62%
Visibility6.2 mi
Dew point69°
Tue, 1187° / 75°0Light rain
87 °Light rain

Rio Vista, Tuesday, 11 August

Light rain. High 87°, low 75°.

Pressure29.91 inHg
Wind12.4 mph N
Humidity63%
Visibility6.2 mi
Dew point67°
Wed, 1285° / 75°0Overcast
85 °Overcast

Rio Vista, Wednesday, 12 August

Overcast. High 85°, low 75°.

Pressure29.80 inHg
Wind9.8 mph W
Humidity59%
Visibility6.2 mi
Dew point68°
Thu, 1385° / 76°0.07Light rain
85 °Light rain

Rio Vista, Thursday, 13 August

Light rain. High 85°, low 76°.

Pressure29.83 inHg
Wind20.4 mph NW
Humidity53%
Visibility—
Dew point64°
Fri, 1479° / 70°0Overcast
79 °Overcast

Rio Vista, Friday, 14 August

Overcast. High 79°, low 70°.

Pressure30.06 inHg
Wind15.1 mph N
Humidity41%
Visibility—
Dew point49°
Sat, 1578° / 67°0Overcast
78 °Overcast

Rio Vista, Saturday, 15 August

Overcast. High 78°, low 67°.

Pressure30.15 inHg
Wind16.1 mph N
Humidity42%
Visibility—
Dew point50°
Sun, 1677° / 67°0Partly cloudy
77 °Partly cloudy

Rio Vista, Sunday, 16 August

Partly cloudy. High 77°, low 67°.

Pressure30.15 inHg
Wind12.3 mph NE
Humidity38%
Visibility—
Dew point47°
Mon, 1775° / 69°0.05Light rain
75 °Light rain

Rio Vista, Monday, 17 August

Light rain. High 75°, low 69°.

Pressure30.00 inHg
Wind10.8 mph S
Humidity79%
Visibility—
Dew point67°
Tue, 1881° / 68°0.06Light rain
81 °Light rain

Rio Vista, Tuesday, 18 August

Light rain. High 81°, low 68°.

Pressure30.00 inHg
Wind9.7 mph NE
Humidity59%
Visibility—
Dew point64°
Wed, 1984° / 69°0Clear
84 °Clear

Rio Vista, Wednesday, 19 August

Clear. High 84°, low 69°.

Pressure30.06 inHg
Wind11.1 mph SE
Humidity45%
Visibility—
Dew point59°
Thu, 2085° / 70°0Mostly clear
85 °Mostly clear

Rio Vista, Thursday, 20 August

Mostly clear. High 85°, low 70°.

Pressure30.03 inHg
Wind15.1 mph S
Humidity49%
Visibility—
Dew point61°
Fri, 2191° / 77°0.11Light rain
91 °Light rain

Rio Vista, Friday, 21 August

Light rain. High 91°, low 77°.

Pressure29.88 inHg
Wind20.7 mph SE
Humidity59%
Visibility—
Dew point71°
Sat, 2289° / 79°0.07Light rain
89 °Light rain

Rio Vista, Saturday, 22 August

Light rain. High 89°, low 79°.

Pressure29.88 inHg
Wind14 mph S
Humidity70%
Visibility—
Dew point75°
Sun, 2391° / 78°0Clear
91 °Clear

Rio Vista, Sunday, 23 August

Clear. High 91°, low 78°.

Pressure29.94 inHg
Wind14.3 mph S
Humidity45%
Visibility—
Dew point63°
Mon, 2492° / 74°0.12Light rain
92 °Light rain

Rio Vista, Monday, 24 August

Light rain. High 92°, low 74°.

Pressure29.94 inHg
Wind25.7 mph W
Humidity55%
Visibility—
Dew point70°

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 Rio Vista, MD 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 Rio Vista, MD 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.