March Weather in Forest Park, United States

Last updated: June 24, 2025

In Forest Park, United States, the average temperature in March hovers around 14°C (57°F). Expect the mercury to dip as low as -5°C (23°F) or soar up to 30°C (85°F). With an average precipitation of 113 mm (4.5 in) spread across 12 days, be prepared for some rain. The humidity levels can feel quite high, averaging at 83%.

March Temperature in Forest Park

In March in Forest Park, the average temperature is 14°C (57°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop as low as -5°C (23°F). Be prepared for a wide range of weather conditions if you plan to travel during this time.

March Weather in Forest Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Forest Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forest Park, March typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (85°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Forest Park generated using information from the Copernicus Climate Change Service.

March Precipitation in Forest Park

In Forest Park in March, the precipitation amount is 113 mm (4.5 in) over the course of 12 days.

March Precipitation Trends in Forest Park

The chart displays monthly precipitation patterns in Forest Park, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Forest Park, March typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Forest Park

In Forest Park in March, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

March Average Humidity in Forest Park

This chart illustrates the average monthly humidity levels in Forest Park, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Forest Park is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Forest Park

In Forest Park in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Forest Park.

Maximum UV Index Levels in Forest Park for March

The chart shows the monthly maximum UV Index (UVI) for Forest Park in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Forest Park typically reaches 8, which falls under the very high exposure category.

Data source: Forest Park March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in Forest Park Compares to Other Months

Weather in Forest Park varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Forest Park, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Forest Park, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	101 mm (4.0 inches)	86%	moderate
February Weather	11°C (52°F)	133 mm (5.2 inches)	84%	high
March Weather	14°C (57°F)	113 mm (4.5 inches)	83%	very high
April Weather	17°C (63°F)	115 mm (4.5 inches)	81%	extreme
May Weather	22°C (72°F)	93 mm (3.7 inches)	81%	extreme
June Weather	25°C (77°F)	116 mm (4.6 inches)	81%	extreme
July Weather	27°C (80°F)	103 mm (4.1 inches)	83%	extreme
August Weather	26°C (79°F)	140 mm (5.5 inches)	81%	very high
September Weather	24°C (76°F)	109 mm (4.3 inches)	82%	very high
October Weather	19°C (67°F)	110 mm (4.3 inches)	78%	very high
November Weather	12°C (53°F)	79 mm (3.1 inches)	86%	high
December Weather	9°C (49°F)	133 mm (5.2 inches)	89%	moderate