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As of 08:09 EDT

Weather in Petersburg, NY

70°Current weather

Petersburg, Sunday, 9 August, 08:09

Partly cloudy. Feels like 71°. High 82°, low 66°.

Pressure29.94 inHg
Wind3.3 mph W
Humidity97%
Visibility6.2 mi
Dew point70°
Mon, 1080° / 63°0.04Light rain
80 °Light rain

Petersburg, Monday, 10 August

Light rain. High 80°, low 63°.

Pressure29.97 inHg
Wind7.7 mph SW
Humidity47%
Visibility6.2 mi
Dew point58°
Tue, 1181° / 62°0.01Light rain
81 °Light rain

Petersburg, Tuesday, 11 August

Light rain. High 81°, low 62°.

Pressure29.83 inHg
Wind9.5 mph NW
Humidity62%
Visibility6.2 mi
Dew point62°
Wed, 1273° / 60°0Overcast
73 °Overcast

Petersburg, Wednesday, 12 August

Overcast. High 73°, low 60°.

Pressure29.77 inHg
Wind3.8 mph N
Humidity77%
Visibility6.2 mi
Dew point60°
Thu, 1374° / 56°0.18Light rain
74 °Light rain

Petersburg, Thursday, 13 August

Light rain. High 74°, low 56°.

Pressure29.74 inHg
Wind16 mph W
Humidity100%
Visibility—
Dew point62°
Fri, 1468° / 46°0Mostly clear
68 °Mostly clear

Petersburg, Friday, 14 August

Mostly clear. High 68°, low 46°.

Pressure29.94 inHg
Wind15.7 mph NW
Humidity51%
Visibility—
Dew point43°
Sat, 1573° / 47°0Clear
73 °Clear

Petersburg, Saturday, 15 August

Clear. High 73°, low 47°.

Pressure30.03 inHg
Wind13.6 mph NW
Humidity52%
Visibility—
Dew point45°
Sun, 1672° / 50°0Overcast
72 °Overcast

Petersburg, Sunday, 16 August

Overcast. High 72°, low 50°.

Pressure30.15 inHg
Wind6.4 mph N
Humidity50%
Visibility—
Dew point47°
Mon, 1776° / 56°0.14Light rain
76 °Light rain

Petersburg, Monday, 17 August

Light rain. High 76°, low 56°.

Pressure30.03 inHg
Wind4.5 mph W
Humidity51%
Visibility—
Dew point51°
Tue, 1875° / 55°0Overcast
75 °Overcast

Petersburg, Tuesday, 18 August

Overcast. High 75°, low 55°.

Pressure30.06 inHg
Wind6.3 mph NW
Humidity69%
Visibility—
Dew point57°
Wed, 1979° / 56°0Overcast
79 °Overcast

Petersburg, Wednesday, 19 August

Overcast. High 79°, low 56°.

Pressure30.15 inHg
Wind6.3 mph W
Humidity58%
Visibility—
Dew point57°
Thu, 2083° / 62°0Overcast
83 °Overcast

Petersburg, Thursday, 20 August

Overcast. High 83°, low 62°.

Pressure30.06 inHg
Wind9.4 mph SW
Humidity54%
Visibility—
Dew point59°
Fri, 2181° / 68°0.24Rain
81 °Rain

Petersburg, Friday, 21 August

Rain. High 81°, low 68°.

Pressure29.85 inHg
Wind9.2 mph SW
Humidity63%
Visibility—
Dew point65°
Sat, 2281° / 66°0.02Light rain
81 °Light rain

Petersburg, Saturday, 22 August

Light rain. High 81°, low 66°.

Pressure29.94 inHg
Wind5.4 mph N
Humidity100%
Visibility—
Dew point69°
Sun, 2385° / 62°0Mostly clear
85 °Mostly clear

Petersburg, Sunday, 23 August

Mostly clear. High 85°, low 62°.

Pressure29.97 inHg
Wind5.4 mph NW
Humidity53%
Visibility—
Dew point59°
Mon, 2475° / 64°0.15Light rain
75 °Light rain

Petersburg, Monday, 24 August

Light rain. High 75°, low 64°.

Pressure30.03 inHg
Wind6.2 mph NW
Humidity76%
Visibility—
Dew point66°

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 Petersburg, NY 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 Petersburg, NY 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.