Saint John, ND Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint John, ND in one place.
A slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny. High near 91, with temperatures falling to around 89 in the afternoon. Southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint John, ND is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 19, 2026 9:40 AM CDT.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Saint John, ND.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 9:40 AM CDT
- Forecast office
- BIS
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John
Today looks like the warmest upcoming period in Saint John at 91 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday at about 14 to 29 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 9:40 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- BIS
- Radar station
- KMBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 10pm, then patchy smoke between 10pm and 4am. Some of the storms could be severe. Mostly clear, with a low around 65. West wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. West wind 14 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 57. Northwest wind 12 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 74. North wind 9 to 13 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 55. Southeast wind 3 to 9 mph.
Sunny, with a high near 79. West wind around 8 mph.
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Mostly sunny, with a high near 82. South wind around 6 mph.
Partly cloudy, with a low around 61. Southeast wind around 7 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 7 to 12 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind around 14 mph, with gusts as high as 22 mph.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Southwest wind around 14 mph, with gusts as high as 23 mph.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
9 to 16 mph
SW
|
|
Tonight
Jul 19
|
Slight Chance Showers And Thunderstorms then Patchy Smoke
|
65°F |
13 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
79°F |
14 to 29 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
57°F |
12 to 24 mph
NW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
74°F |
9 to 13 mph
N
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
55°F |
3 to 9 mph
SE
|
|
Wednesday
Jul 22
|
Sunny
|
79°F |
8 mph
W
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
59°F |
6 mph
SW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
82°F |
6 mph
S
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
61°F |
7 mph
SE
|
|
Friday
Jul 24
|
Mostly Sunny then Chance Showers And Thunderstorms
|
85°F |
7 to 12 mph
S
|
|
Friday Night
Jul 24
|
Chance Showers And Thunderstorms
|
66°F |
14 mph
S
|
|
Saturday
Jul 25
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
91°F |
14 mph
SW
|
|
Saturday Night
Jul 25
|
Slight Chance Showers And Thunderstorms
|
68°F |
9 to 13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint John.
