# You asked: What does it mean when it says 10% chance of rain?

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If there’s a 10 percent chance of rain, it means the current conditions yield rainfall one out of every 10 times observed. … It can be so small scale that one part of a county may get drenched with an inch of rain on a particular day while another portion of that same county stays completely dry.”

## What does rain percentage mean?

What Does the Percentage of Rain Mean? According to a viral take on the internet, the percentage of rain doesn’t predict the chances of rain. Instead, it means a certain percentage of the forecasted area will definitely see rain—so if you see a 40% chance, it means 40% of the forecasted area will see rainfall.

## What does it mean when the weatherman says 20% chance of rain?

If we’re just expecting a small storm or two, we’d say 20% of the area will see rain. On the other hand, if we’re expecting more widespread rain, the area that will see rain would be more like 70% or 80%. … For this example, we’ll say 30% of the area is going to see rain.

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## Is 30% chance of rain a lot?

For example, a 30 percent chance of rain may mean 100 percent confidence that only 30 percent of the forecast area is going to get rain. … Anything at or above a 30 percent chance of rain, it’s always a good idea to make sure you have my umbrella with you.

## How is chance of rain calculated?

One simple equation used among meteorologists is P = C x A, or the probability of precipitation equals the meteorologist’s confidence that it will rain, times the percentage of the area that is expected to get rainfall. … If we’re 50% confident that 100% of the Valley will get rain, then there’s a 50% chance of rainfall.

## What does 70% rain mean?

Basically, it means that a certain percentage of the forecast area is expected to get rain. … So, hold onto your umbrellas because after today we have a 70 percent chance of rain for Thursday and a 60 percent chance of rain for Friday.

## Does 60% chance of rain mean it will rain?

If they say 60% chance of rain, 60% of their area will experience rain at some point during the forecast period. … Likewise, 20% chance of rain means you’re unlikely to see any rain at all today, or 20% of the area is going to be drenched.

## What does 60 rain mean on weather app?

‘So 60 per cent means a 60 per cent chance of rain, 40 per cent chance of dry. … ‘In weather forecasting, suppose the Met Office says that the probability of rain tomorrow in your region is 80%…wat they are saying is there is an 80% chance of rain occurring at any one place in the region, such as in your garden.

## What does the percentage of rain mean Apple?

The percentage you see refers to the chance of rain for that particular day. In other words, this represents the likelihood it will rain in that area. You can learn more about this in the resource below.

## Is 40% chance of rain bad?

Still, most people stay dry. 40%-50% – SCATTERED – Roughly half of the area will encounter a shower or storm. 60%-70% – NUMEROUS – Much of the area is covered so it’s likely you will get wet. 80%-100% – WIDESPREAD – The entire area is covered with showers and storms so everyone gets rain!

## Is 70 percent chance of rain high?

It’s easy to think that a 70 percent chance of rain means a pretty hefty rainfall is likely, and a 20 percent chance means that only a little rainfall is on the way. But that would be wrong, too. Probability of precipitation doesn’t tell you anything about how long it is going to rain or how much it is likely to rain.

## What does chance of a shower mean?

A significant chance of some kind of unpleasant weather, such as rain, snow, lightning, etc., occurring. I just heard that there’s a risk of rain tomorrow.

## Does 50% chance of rain mean it will rain?

A 50 percent chance of rain means there is a 50 percent chance for any one spot in the forecast area to get wet during the forecast period.

## Does 80 chance of rain mean it will rain?

An “80% chance of rain” means that there is an 80% chance that rain will fall somewhere within the forecasted area. Rain refers to 0.01 inch or more.

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