Grinnell, IA 20 December Weather

Altitude - 312m | 41°44′35″N,92°43′19″W | map (OSM)

Grinnell, IA

°F

12:30 amShowers in the Vicinity12mphS

Thu, December 18, 202512:58 AM (GMT -06:00)

Climatic norm in Grinnell, IA Dec 20

13°
22°
31°

minimum
average
maximum

Saturday Dec 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	30°	33°	35°	35°	38°	36°	31°	28°
wind	15mph	13mph	10mph	12mph	15mph	13mph	9mph	9mph
pressure in	28.51	28.47	28.48	28.57	28.69	28.79	28.91	29.01

Friday Dec 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	25°	21°	21°	24°	24°	22°	21°
wind	23mph	23mph	22mph	20mph	16mph	13mph	8mph	5mph
pressure in	29.04	29.11	29.20	29.29	29.31	29.30	29.32	29.34

Wednesday Dec 20 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	28°	26°	30°	41°	44°	38°	36°
wind	8mph	7mph	5mph	6mph	6mph	6mph	7mph	7mph
pressure in	28.98	28.98	29.01	29.07	29.08	29.07	29.11	29.13

* Grinnell, IA weather for December 20 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Grinnell, IA Weather for December 20, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 20 for previous years is presented.