Saint John Extended Forecast with high and low temperatures
2 Week Extended Forecast in Saint John, New Brunswick, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Tue Dec 9 |  | 21 / 2 °F | Mostly sunny. | 12 °F | 6 mph | ↑ | 46% | 5% | 0.00" | 0 (Low) | 7:51 am | 4:41 pm |
| Wed Dec 10 |  | 43 / 16 °F | Snow changing to rain. Overcast. | 29 °F | 9 mph | ↑ | 94% | 95% | 3.95" | 0 (Low) | 7:52 am | 4:41 pm |
| Thu Dec 11 | | 44 / 18 °F | Rain changing to snow. Cloudy. | 28 °F | 12 mph | ↑ | 74% | 73% | 0.55" | 0 (Low) | 7:53 am | 4:41 pm |
| Fri Dec 12 |  | 26 / 17 °F | Overcast. | 12 °F | 17 mph | ↑ | 59% | 5% | 0.00" | 0 (Low) | 7:54 am | 4:41 pm |
| Sat Dec 13 |  | 28 / 15 °F | Afternoon clouds. | 20 °F | 5 mph | ↑ | 65% | 0% | 0.00" | 0 (Low) | 7:55 am | 4:41 pm |
| Sun Dec 14 | | 29 / 13 °F | Overcast. | 19 °F | 9 mph | ↑ | 66% | 5% | 0.00" | 0 (Low) | 7:56 am | 4:41 pm |
| Mon Dec 15 | | 23 / 10 °F | Cloudy. | 10 °F | 15 mph | ↑ | 56% | 3% | 0.00" | 0 (Low) | 7:56 am | 4:42 pm |
| Tue Dec 16 | | 23 / 13 °F | Afternoon clouds. | 14 °F | 7 mph | ↑ | 52% | 6% | 0.00" | 0 (Low) | 7:57 am | 4:42 pm |
| Wed Dec 17 | | 30 / 12 °F | Increasing cloudiness. | 22 °F | 6 mph | ↑ | 72% | 6% | 0.00" | 0 (Low) | 7:58 am | 4:42 pm |
| Thu Dec 18 |  | 41 / 17 °F | Rain. Overcast. | 28 °F | 21 mph | ↑ | 91% | 66% | 0.35" | 0 (Low) | 7:58 am | 4:43 pm |
| Fri Dec 19 |  | 43 / 36 °F | Heavy rain early. Morning clouds. | 30 °F | 14 mph | ↑ | 64% | 84% | 0.91" | 0 (Low) | 7:59 am | 4:43 pm |
| Sat Dec 20 | | 43 / 27 °F | Rain changing to snow. Overcast. | 33 °F | 3 mph | ↑ | 98% | 61% | 0.84" | 0 (Low) | 8:00 am | 4:43 pm |
| Sun Dec 21 | | 39 / 27 °F | Icy mix. Overcast. | 23 °F | 22 mph | ↑ | 87% | 70% | 0.66" | 0 (Low) | 8:00 am | 4:44 pm |
| Mon Dec 22 | | 42 / 27 °F | Partly cloudy. | 33 °F | 17 mph | ↑ | 50% | 55% | 0.69" | 0 (Low) | 8:01 am | 4:44 pm |
| Tue Dec 23 |  | 32 / 14 °F | Sunny. | 11 °F | 6 mph | ↑ | 42% | 4% | 0.00" | 0 (Low) | 8:01 am | 4:45 pm |
| * Updated Tuesday, December 9, 2025 11:24:03 am Saint John time - Weather by CustomWeather, © 2025 | ||||||||||||