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St. Petersburg, Florida, United States
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Weather in St. Petersburg, United States

78°
Clear
Feels like 78°
·
High86°Low70°
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Air quality

Full Details
0
63
500
Air quality:Moderate

Pollen index

Full Details
Tree
2/5
012345
Weed
0/5
012345
Grass
1/5
012345

Today's weather summary

The weather in St. Petersburg on Saturday, May 18th, is going to be cloudy for most of the day, together with clear skies before dawn.

There's seems to be also high probability of few clouds before dawn around 4 am.

Weather details for St. Petersburg, on Saturday, May 18th:

The maximum temperature of the day is going to be 88°F around 2 pm. The day will be extremely humid, with average humidity of 81%, ranging from 69% to a maximum value of 96% at about 3 am. The wind will be breezy, and will get up to 13 mph at 2 pm, blowing from the south-west. The cloud coverage will range from 2% around midnight to as high as 100% around 9 pm with an average of 55%.

There is no probability for any precipitation throughout the day. The dew point will range from 74°F up to a maximum value of 77°F around 1 pm.

The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:45 am, and sunset at 8:09 pm, making it a total of 13 hours and 24 minutes of daylight.

Air quality forecast for St. Petersburg, on Saturday, May 18th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 36 and 105.

Pollen forecast for St. Petersburg, on Saturday, May 18th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in St. Petersburg on Sunday, May 19th, will be cloudy throughout the day, with few clouds in the early morning.

There is also a chance for many clouds before dawn at about 4 am, and drizzle around noon around 11 am.

Weather information for St. Petersburg, on Sunday, May 19th:

The maximum temperature of the day is going to be 84°F around 4 pm. The day will be extremely humid, with average humidity of 73%, ranging from 60% to a maximum value of 86% at about midnight. The wind will be breezy, and will get up to 19 mph at 1 pm, blowing from the west. The cloud coverage will range from 14% around 11 pm to as high as 100% around 9 pm with an average of 89%.

The chances of precipitation throughout the day will change between 0% and 15%. The highest chance for precipitation will be around 11 am and the lowest probability around midnight. The dew point will range from 68°F up to a maximum value of 76°F around 1 am.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:44 am, and sunset at 8:09 pm. The day will have 13 hours and 25 minutes of daylight.

Air quality forecast for St. Petersburg, on Sunday, May 19th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 29 and 56.

Pollen forecast for St. Petersburg, on Sunday, May 19th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in St. Petersburg?
The average annual highest temperature in St. Petersburg is 29.9°C (85.8°F), and the July 27th is the hottest day on average.
How cold does it get in St. Petersburg?
The average annual lowest temperature in St. Petersburg is 11.4°C (52.5°F), and the December 31st is the coldest day on average.
Which month has the most rain in St. Petersburg?
The wettest months in St. Petersburg are August and July.