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Grantham, British Columbia

74°F
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Grantham

British Columbia

74°
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Grantham, British Columbia Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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 Air Quality Health & Activities

June

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2026

2025 2026 2027

10-Day

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Sunny
77°
50°
21
Turning sunny and very warm
87°
53°
22
Hot with clouds and sun
92°
57°
23
Hot with lots of sun
94°
55°
24
Partly sunny and very warm
85°
51°
25
Rain and drizzle in the a.m.
70°
56°
26
A few afternoon showers
67°
55°
27
A little rain in the morning
69°
56°
28
Mostly sunny
71°
55°
29
A shower in the afternoon
72°
55°
30
Times of clouds and sun
75°
54°
1
Decreasing clouds
74°
56°
2
Sunny to partly cloudy
74°
55°
3
Cloudy
76°
53°
4
Cloudy, a shower and t-storm
70°
56°

Temperature Graph

°F
100° 88° 76° 64° 52° Jun
Today 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

June Weather in Grantham

Grantham's June 2026 forecast shows daily high temperatures ranging from 67° to 94°, with overnight lows between 50° and 57°. The average high for June is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Grantham. See also: July | August | September.

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Weather Near Grantham:

  • Seattle, WA
  • Tacoma, WA
  • Vancouver, British Columbia
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