Weather forecast March 23, 2023 - P4

Climate and Average Weather Year Round in Pasadena California, United States

In Pasadena, the summers are short, hot, arid, and clear and the winters are long, cool, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 45°F to 88°F and is rarely below 38°F or above 97°F.

Based on the tourism score, the best time of year to visit Pasadena for warm-weather activities is from late May to mid October.

Average Temperature in Pasadena 

The hot season lasts for 2.9 months, from June 28 to September 25, with an average daily high temperature above 84°F. The hottest month of the year in Pasadena is August, with an average high of 88°F and low of 66°F.

The cool season lasts for 3.9 months, from November 24 to March 19, with an average daily high temperature below 70°F. The coldest month of the year in Pasadena is December, with an average low of 46°F and high of 66°F.

Rainfall 

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Pasadena experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.2 months, from October 17 to April 24, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Pasadena is February, with an average rainfall of 3.2 inches.

The rainless period of the year lasts for 5.8 months, from April 24 to October 17. The month with the least rain in Pasadena is July, with an average rainfall of 0.0 inches.

Weather forecast March 23, 2023

Weather 91214

High temperature : 49°F

Low temperature : 42°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the ESE. Visibility 7 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 91214 : Moderate

- Air Quality Index : CO : 250.34 ; NH3 : 0.28 ; NO : 0 ; NO2 : 9.34 ; O3 : 85.12 ; PM10 : 3.08 ; PM2.5 : 1.96 ; SO2 : 1.88

Weather 91221

High temperature : 54°F

Low temperature : 47°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the ESE. Visibility 7 mi, humidity 89% . Chance of Rain : 100 % .

Today's Air Quality - Weather 91221 : Moderate

- Air Quality Index : CO : 290.39 ; NH3 : 0.88 ; NO : 0 ; NO2 : 21.08 ; O3 : 71.53 ; PM10 : 5.53 ; PM2.5 : 3.67 ; SO2 : 3.4

Weather 91222

High temperature : 54°F

Low temperature : 47°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the ESE. Visibility 7 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 91222 : Moderate

- Air Quality Index : CO : 290.39 ; NH3 : 0.88 ; NO : 0 ; NO2 : 21.08 ; O3 : 71.53 ; PM10 : 5.53 ; PM2.5 : 3.67 ; SO2 : 3.4

Weather 91224

High temperature : 49°F

Low temperature : 42°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the ESE. Visibility 7 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 91224 : Moderate

- Air Quality Index : CO : 250.34 ; NH3 : 0.28 ; NO : 0 ; NO2 : 9.34 ; O3 : 85.12 ; PM10 : 3.08 ; PM2.5 : 1.96 ; SO2 : 1.88

Weather 44224

High temperature : 45°F

Low temperature : 42°F

- Overcast clouds, Wind speed 0 mph, wind out of the N. Visibility 7 mi, humidity 82% . Chance of Rain : 100 % .

Today's Air Quality - Weather 44224 : Moderate

- Air Quality Index : CO : 534.06 ; NH3 : 0.48 ; NO : 10.51 ; NO2 : 35.99 ; O3 : 12.16 ; PM10 : 17.56 ; PM2.5 : 12.41 ; SO2 : 1.04

Weather 91226

High temperature : 54°F

Low temperature : 47°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the ESE. Visibility 7 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 91226 : Moderate

- Air Quality Index : CO : 290.39 ; NH3 : 0.88 ; NO : 0 ; NO2 : 21.08 ; O3 : 71.53 ; PM10 : 5.53 ; PM2.5 : 3.67 ; SO2 : 3.4

Weather 91301

High temperature : 52°F

Low temperature : 44°F

- Overcast clouds, Wind speed 1.99 mph, wind out of the WSW. Visibility 7 mi, humidity 89% . Chance of Rain : 34 % .

Today's Air Quality - Weather 91301 : Moderate

- Air Quality Index : CO : 247 ; NH3 : 0.28 ; NO : 0 ; NO2 : 8.48 ; O3 : 82.25 ; PM10 : 4.97 ; PM2.5 : 3.2 ; SO2 : 1.3

Weather 91302

High temperature : 51°F

Low temperature : 44°F

- Overcast clouds, Wind speed 5.01 mph, wind out of the WSW. Visibility 7 mi, humidity 90% . Chance of Rain : 75 % .

Today's Air Quality - Weather 91302 : Moderate

- Air Quality Index : CO : 247 ; NH3 : 0.28 ; NO : 0 ; NO2 : 8.48 ; O3 : 82.25 ; PM10 : 4.97 ; PM2.5 : 3.2 ; SO2 : 1.3

Weather 11238

High temperature : 53°F

Low temperature : 47°F

- Overcast clouds, Wind speed 14.97 mph, wind out of the S. Visibility 7 mi, humidity 88% . Chance of Rain : 100 % .

Today's Air Quality - Weather 11238 : Moderate

- Air Quality Index : CO : 453.95 ; NH3 : 3.23 ; NO : 0.14 ; NO2 : 58.95 ; O3 : 30.4 ; PM10 : 18.32 ; PM2.5 : 11.89 ; SO2 : 7.51

Weather 91304

High temperature : 53°F

Low temperature : 45°F

- Overcast clouds, Wind speed 4.61 mph, wind out of the SE. Visibility 7 mi, humidity 89% . Chance of Rain : 75 % .

Today's Air Quality - Weather 91304 : Moderate

- Air Quality Index : CO : 226.97 ; NH3 : 0.13 ; NO : 0 ; NO2 : 3.38 ; O3 : 90.12 ; PM10 : 2.67 ; PM2.5 : 1.77 ; SO2 : 0.89