Weather forecast for 10 days
Saint Marys, IA

Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Contents

Weather forecast for the weekend

Saturday, May 3.

Partly Cloudy
6:07 am

8:16 pm
CDT
Partly Cloudy
63°F / 39°F
  • Wind: 12mph N
  • Humidity: 61%
  • Precip. probability: 10%
  • Precipitation: 0"
  • UV index: 7
On Saturday, in Saint Marys, intermittent cloud cover is expected, allowing for some sunshine.
Rainfall is not forecasted for tomorrow. Temperature is predicted to swing from a high of a comfortable 62.6°F to a low of an icy 39.2°F.
The day's peak of 62.6°F reflects April's seasonal pattern more than May's.
Sunrise will be at 6:07 am and sunset at 8:16 pm; tomorrow's daylight will last for 14h and 8min.

Sunday, May 4.

Mostly Sunny
6:06 am

8:17 pm
CDT
Mostly Sunny
72°F / 45°F
  • Wind: 8mph NNE
  • Humidity: 51%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in Saint Marys, sunshine will dominate, with only occasional cloud cover.
Rainfall is not anticipated. Daytime will experience a high of a delightful 71.6°F, significantly differing from the expected night low of a brisk 44.6°F.
The temperature will be in line with May's average maximum of 69.6°F.
Sunrise will be at 6:06 am and sunset at 8:17 pm; the daylight will last for 14h and 11min.

Frequently asked questions

What is the weather forecast for Saint Marys for tomorrow?
On Saturday, in Saint Marys, thin clouds will pass through at times, but overall, it will remain bright.
Will it rain tomorrow?
No, it will not rain tomorrow.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be relatively lower than the average maximum temperature in May. Tomorrow, the lowest temperature will be significantly lower than the average low of 52.9°F.
When are sunrise and sunset tomorrow in Saint Marys?
On Saturday, in Saint Marys, sunrise will be at 6:07 am and sunset at 8:16 pm (CDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 8min.
What is the weather forecast for Saint Marys for Sunday?
On Sunday, mostly sunny and dry conditions will continue.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 71.6°F, while the minimum temperature will be 44.6°F.
What is the weather forecast for Saint Marys for the next ten days?
In Saint Marys, a combination of predominantly overcast and occasionally bright and lightning-active weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated only today. With a probability of 96%, light precipitation of 0.35" is expected.
How warm will it be in the next ten days?
The maximum temperature will vary between 59°F and 78.8°F, as the minimum temperature will vary between 39.2°F and 55.4°F.
What will be the warmest and the coldest days?
With a maximum temperature of 78.8°F, next Saturday and Sunday will be the warmest days. Today is the coldest day, with a maximum temperature of 59°F.

Long-term weather forecast

FriMay 2.
  • 59°F
  • 41°F
Rain / Thunder
Rain / Thunder
  • Wind: 10mph NNW
  • Humidity: 70%
  • UV index: 5
  • Precip. probability: 96%
  • Precipitation: 0.35"
  • 6:08 am 8:15 pm CDT
SatMay 3.
  • 63°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph N
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 10%
  • Precipitation: 0"
  • 6:07 am 8:16 pm CDT
SunMay 4.
  • 72°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph NNE
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 6:06 am 8:17 pm CDT
MonMay 5.
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NE
  • Humidity: 50%
  • UV index: 7
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:04 am 8:18 pm CDT
TueMay 6.
  • 77°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph ESE
  • Humidity: 51%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:03 am 8:19 pm CDT
WedMay 7.
  • 73°F
  • 52°F
Cloudy
Cloudy
  • Wind: 8mph ENE
  • Humidity: 55%
  • UV index: 5
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:02 am 8:20 pm CDT
ThuMay 8.
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ENE
  • Humidity: 59%
  • UV index: 8
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:01 am 8:21 pm CDT
FriMay 9.
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph ENE
  • Humidity: 54%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 6:00 am 8:22 pm CDT
SatMay 10.
  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NNE
  • Humidity: 47%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:59 am 8:23 pm CDT
SunMay 11.
  • 79°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NE
  • Humidity: 47%
  • UV index: 8
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:58 am 8:24 pm CDT
During the ten-day period, primarily cloudy and occasionally sun-filled and thunderstorm-prone weather is forecasted.
With a probability of 96%, rainfall is forecasted only for today. Anticipated precipitation will be light at 0.35".
Temperature fluctuation will be noticeable over the next several days. Maximum temperatures are forecasted between 59°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 39.2°F and 55.4°F.
The warmest days will be next Saturday and Sunday, with a maximum of 78.8°F; today is the coldest day, with a maximum temperature of 59°F.
Updated: May 2, 2025 @ 12:50:24 UTC
Published by: Weather U.S. | About Us
Data Sources | |
Weather Forecasting & Climate
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
°Celsius°Fahrenheit
Share