GWC’s Weather Week That Was – March 23 – March 29, 2025
Greg’s Weather Center – Data for the Week of March 23 – March 29, 2025
Location: South Plainfield, NJ
Latitude: 40.58 N
Longitude: 74.42 W
Date | High Temp | Low Temp | Diurnal Range | Rainfall | Peak Rainfall Rate | High Pressure | Low Pressure |
3/23/2025 | 49 | 31 | 18 | 0.00 | 0.00 | 30.13 | 29.87 |
3/24/2025 | 49 | 37 | 12 | 0.35 | 0.25 | 30.07 | 29.65 |
3/25/2025 | 59 | 37 | 22 | 0.00 | 0.00 | 29.91 | 29.75 |
3/26/2025 | 51 | 38 | 13 | 0.01 | 0.01 | 30.13 | 29.92 |
3/27/2025 | 51 | 27 | 24 | 0.00 | 0.00 | 30.23 | 30.13 |
3/28/2025 | 63 | 33 | 30 | 0.01 | 0.01 | 30.20 | 29.95 |
3/29/2025 | 83 | 42 | 41 | 0.04 | 0.01 | 30.15 | 29.89 |
Temperature for the Week of March 23 – March 29, 2025
- Average High Temperature: 57.9 degrees
- Max Temperature: 83 degrees on March 31st
- Min Temperature: 27 degrees on March 27th

Diurnal Range for the Week of March 23 – March 29, 2025
NOTE: The diurnal range of temperature is the difference between the high temperature and low temperature on a given day.
- Average Diurnal Range of Temperature: 22.9 degrees
- Max Diurnal Range: 41 on March 29th
- Min Diurnal Range: 12 on March 24th

Rainfall for the Week of March 23 – March 29, 2025
- Average Daily Rainfall: 0.06 inches
- Max Rainfall: 0.35 inches on March 24th
- Min Rainfall: 0.00 inches on March 23rd, 25th, and 27th.
- Peak Rainfall Rate: 0.25 inches per hour on March 24th

Pressure for the Week of March 23 – March 29, 2025
- Max Pressure: 30.23 on March 27th
- Min Pressure: 29.65 on March 24th
- Largest Pressure Drop: 0.48 of an inch or 16 millibars from midnight on March 23rd to 5:02 PM on March 24th
- Largest Pressure Rise: 0.58 of an inch or 19.3 millibars from 5:02 PM on March 24th to 10:26 AM on March 27th

Summary
This week was a dry and tranquil week for the most part. The most significant rainfall occurred on March 24th when a little more than a third of an inch of rain fell at Greg’s Weather Center. There were three days with no measurable rain. Pressures were mostly high and steady. The big story of this last full week of March 2025 was the rise in temperature over the final two days. March 29th marked the first 80 degree day of the year. This was the earliest 80-degree day at GWC in at least three years.