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Arnold Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  |  | | | | | | | |
| Partly Cloudy | Sunny | Rain Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Showers | Rain Showers | Rain Showers | Rain Showers | Mostly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 43°FLo: 6°C | Hi: 61°FHi: 16°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Lo: 46°FLo: 8°C | Hi: 56°FHi: 13°C | Lo: 42°FLo: 6°C | Hi: 50°FHi: 10°C Lo: 38°FLo: 3°C | |
| POP: 30% | POP: 50% | POP: 90% | POP: 90% | POP: 70% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 221 AM EDT Sat Oct 31 2026 
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Issued: 738 AM EDT Sat Oct 31 2026
Key Messages
- Mainly dry weather continues through the weekend. Highs in the 50s today, warming into the low 60s on Sunday and Monday (15-20F above average).
- Precipitation chances continue to increase for early next week. Confidence is increasing for widespread rainfall late Monday into Wednesday, with a 40-80% chance for 1" or more of rainfall in a 48 hour period.
Discussion
... Issued at 1241 AM EDT Sat Oct 31 2026
Ridging becomes maximized at around 1030mb this morning as mostly clear skies have a...