Weather World
Hartwick, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Hartwick Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  | | | | | | | |
| Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 70% | POP: 80% | POP: 70% | POP: 70% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 AM CDT Fri Sep 11 2026 
Hartwick Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Hartwick Weather Map
Hartwick Quick Facts
Hartwick Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 303 AM CDT Fri Sep 11 2026
Key Messages
- Patchy fog possible overnight /mainly SE/ otherwise seasonally cool.
- Breezy Friday afternoon, with a chance for showers and thunderstorms /20-40%/ returning Friday night.
- An active weather pattern expected this weekend into the middle of next week with periods of thunderstorms, some strong to severe, along with the risk of heavy rainfall.
Aviation
/06Z TAFS THROUGH 06Z SATURDAY/... Issued at 1035 PM CDT Thu Sep 10 2026
VFR conditions prevail for much of the TAF period. Patchy fog is pos...