Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 26

Waxing Gibbous 84%

16:05

02:40

02 OK
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 Good
09 Good
10 Good
11 OK
12 OK
13 Good
14 Good
15 Good
16 Good
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:13, Set: 20:29, Transit: 12:51. Moon - Rise: 16:05, Set: 02:40. Civil Dark: 21:04 - 04:38. Nautical Dark: 21:51 - 03:51. Astro Dark: 22:49 - 02:53

Total Clouds (% Sky Obscured)

30
40
54
63
36
22
18
9
14
20
18
9
9
2
8
59
68
50
45
36
74
88
95
97

Low Clouds (% Sky Obscured)

30
0
0
0
7
20
4
9
14
17
5
5
4
0
0
0
0
0
0
0
1
8
31
23

Medium Clouds (% Sky Obscured)

30
40
1
16
36
22
18
0
2
20
18
9
9
1
5
7
27
0
0
1
55
83
79
25

High Clouds (% Sky Obscured)

17
36
54
55
1
0
0
0
0
0
0
0
0
0
2
45
65
50
45
36
74
86
95
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
6
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
14
5
2
2
1
0
2
0
0
2
12
39
44
38
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
3
4
4
4
4
5
6
8
10
12
14
15
15
14
13
13
13
13
13
12
10

Chance of Frost

Temperature (°C)

14
13
13
12
12
14
17
20
22
24
25
26
27
27
27
26
25
24
23
22
21
21
20
19

Feels Like (°C)

15
14
13
11
11
16
18
22
23
25
25
26
26
26
25
24
22
20
19
17
17
16
17
17

Dew Point (°C)

12
12
12
12
12
13
13
13
14
15
15
16
16
17
16
15
15
14
12
9
10
12
13
15

Relative Humidity (%)

89
92
93
95
95
89
78
66
62
56
53
54
51
53
52
52
52
54
52
44
48
57
65
73

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1013
1012
1012
1011
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

352
355
360
372
375
376
370
365
361
359
356
356
354
351
348
345
343
342
342
341
341
339
340
340

Wednesday 27

Waxing Gibbous 90%

17:12

02:58

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:13, Set: 20:30, Transit: 12:51. Moon - Rise: 17:12, Set: 02:58. Civil Dark: 21:05 - 04:37. Nautical Dark: 21:52 - 03:50. Astro Dark: 22:50 - 02:52

Total Clouds (% Sky Obscured)

77
94
98
97
93
92
26
41
65
69
71
77
84
83
21
55
86
38
79
88
40
80
81
65

Low Clouds (% Sky Obscured)

37
54
70
78
83
15
13
5
0
0
4
15
22
21
21
7
15
2
15
20
4
13
20
46

Medium Clouds (% Sky Obscured)

6
0
0
19
33
32
16
4
13
31
52
66
75
74
21
40
24
19
17
23
31
25
20
17

High Clouds (% Sky Obscured)

77
92
94
88
23
50
7
18
36
45
39
40
41
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
3
0
0
0
1
12
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
9
10
9
8
9
8
9
10
11
12
12
12
11
11
8
5
4
5
6
5
5

Chance of Frost

Temperature (°C)

19
18
17
16
16
16
17
18
19
20
21
21
22
22
21
21
20
19
17
15
14
13
13
12

Feels Like (°C)

17
15
15
14
14
14
15
18
18
18
18
19
20
20
19
21
19
18
18
15
13
13
11
10

Dew Point (°C)

15
14
14
13
13
14
13
11
11
12
12
12
13
13
12
13
14
14
13
10
9
10
9
8

Relative Humidity (%)

76
78
81
82
83
85
78
65
59
58
55
55
55
55
56
58
66
73
77
72
73
79
76
75

Pressure (mb)

1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012

Ozone (du)

339
338
338
338
339
341
342
344
345
345
346
349
349
349
352
353
353
356
356
366
377
382
392
397

Thursday 28

Waxing Gibbous 95%

18:19

03:18

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:12, Set: 20:31, Transit: 12:51. Moon - Rise: 18:19, Set: 03:18. Civil Dark: 21:07 - 04:36. Nautical Dark: 21:54 - 03:49. Astro Dark: 22:52 - 02:50

Total Clouds (% Sky Obscured)

64
85
94
91
71
97
95
96
96
93
100
69
91
89
85
72
86
97
100
100
99
95
92
89

Low Clouds (% Sky Obscured)

55
70
77
71
54
90
90
88
85
93
100
69
55
50
32
61
60
41
51
52
52
64
69
74

Medium Clouds (% Sky Obscured)

28
34
34
19
0
36
39
31
19
31
18
33
26
28
22
17
63
69
79
80
89
82
61
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
46
19
91
93
73
55
35
25
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
6
9
7
8
8
8
9
9
9
9
9
9
7
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
7
5
2
3
9
8
34
50
44
35
41
38
48
34
29
26
41
47
50
48
36
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
7
8
8
8
9
9
9
10
10
10
10
10
10
5
5
5
5
4
5

Chance of Frost

Temperature (°C)

11
10
10
11
11
11
12
12
13
14
14
14
15
16
17
16
16
15
14
13
12
10
10
10

Feels Like (°C)

9
9
8
8
8
9
8
9
10
11
12
12
13
13
14
13
13
13
12
11
11
9
9
9

Dew Point (°C)

8
8
6
6
7
8
8
8
8
10
9
11
9
11
10
12
11
10
11
10
10
9
9
9

Relative Humidity (%)

83
84
74
71
76
77
75
75
74
76
71
80
66
75
65
73
69
72
82
84
90
93
91
93

Pressure (mb)

1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1012

Ozone (du)

393
390
390
393
394
397
403
402
403
405
404
400
394
394
392
387
383
381
380
382
384
384
384
382

Friday 29

Waxing Gibbous 99%

19:26

03:42

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:11, Set: 20:31, Transit: 12:51. Moon - Rise: 19:26, Set: 03:42. Civil Dark: 21:08 - 04:35. Nautical Dark: 21:55 - 03:48. Astro Dark: 22:54 - 02:49

Total Clouds (% Sky Obscured)

90
91
92
93
93
94
95
97
98
97
98
98
99
99
100
99
97
94
86
80
74
68
71
82

Low Clouds (% Sky Obscured)

77
47
70
85
62
70
84
92
92
95
98
98
99
98
97
94
91
87
81
74
70
68
70
65

Medium Clouds (% Sky Obscured)

54
68
67
78
73
69
78
86
90
89
89
90
91
92
94
92
49
86
71
67
50
53
65
78

High Clouds (% Sky Obscured)

10
10
5
5
5
0
0
0
0
0
0
5
10
0
0
0
0
0
10
12
19
14
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
8
7
3
2
5
9
9
2
5
5
9
4
3
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

28
21
11
21
23
19
42
56
76
95
95
95
95
95
95
80
95
95
95
95
89
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.6
0.9
0.7
1.4
1.1
0.4
0
0.7
1.9
1.2
0.6
0.5
1
1.1
0.6

Wind Speed/Direction (mph)

4
4
5
6
6
7
8
9
9
11
11
11
9
8
9
10
8
6
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

10
9
9
8
9
10
11
11
11
11
11
11
12
12
12
9
9
9
8
7
6
6
6
6

Feels Like (°C)

9
8
7
7
7
8
9
9
8
8
7
8
10
11
9
5
6
6
5
5
4
4
4
4

Dew Point (°C)

8
8
7
7
7
8
8
8
8
9
10
10
11
11
10
8
8
8
7
6
6
5
6
6

Relative Humidity (%)

91
88
91
90
88
88
81
79
83
88
95
92
90
90
88
91
91
93
96
96
94
96
96
98

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1015
1015

Ozone (du)

382
383
384
385
385
386
388
393
399
398
398
398
396
399
409
415
421
419
418
423
416
407
407
402

Saturday 30

Waxing Gibbous 100%

20:30

04:10

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Bad
22 OK
23 OK
00 OK
01 Good

Sun - Rise: 05:11, Set: 20:32, Transit: 12:52. Moon - Rise: 20:30, Set: 04:10. Civil Dark: 21:09 - 04:34. Nautical Dark: 21:56 - 03:47. Astro Dark: 22:56 - 02:47

Total Clouds (% Sky Obscured)

81
84
82
80
77
80
62
35
43
58
64
43
38
43
44
43
42
39
43
48
44
33
20
10

Low Clouds (% Sky Obscured)

60
51
45
35
23
15
10
3
1
4
4
6
24
23
14
20
21
12
12
0
0
0
0
0

Medium Clouds (% Sky Obscured)

72
71
73
75
77
74
39
8
4
0
3
4
7
12
16
17
17
20
17
12
7
9
10
10

High Clouds (% Sky Obscured)

4
3
3
21
16
28
10
19
36
8
4
0
0
0
0
0
0
0
2
3
2
2
3
5

ISS Passover

Visibility (miles)

3
2
2
2
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
54
25
8
5
10
5
4
2
8
8
3
5
8
1
5
1
0
0
0
0

Precipitation Amount (mm)

1.1
1.2
1.4
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
7
6
6
6
6
6
6
6
6
6
8
8
8
7
6
5
5
6
6
7
7

Chance of Frost

Temperature (°C)

7
7
7
7
8
9
10
11
13
14
15
16
17
18
18
18
17
16
14
13
12
10
10
11

Feels Like (°C)

4
3
3
2
4
5
7
8
10
11
11
12
14
15
14
14
15
15
15
11
12
12
11
11

Dew Point (°C)

6
6
6
6
7
8
8
9
8
8
8
8
8
9
9
9
10
10
11
9
8
7
7
7

Relative Humidity (%)

96
96
96
94
94
96
90
84
72
64
62
59
54
54
55
55
62
69
78
77
79
77
77
77

Pressure (mb)

1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

398
401
401
402
402
401
402
403
403
404
404
403
403
403
402
402
401
401
400
401
402
402
403
404

Sunday 31

Full Moon 99%

21:30

04:46

02 Good
03 Good
04 Good
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:10, Set: 20:33, Transit: 12:52. Moon - Rise: 21:30, Set: 04:46. Civil Dark: 21:10 - 04:34. Nautical Dark: 21:57 - 03:46. Astro Dark: 22:57 - 02:46

Total Clouds (% Sky Obscured)

9
8
16
30
44
60
66
68
68
69
74
86
93
97
100
100
100
100
100
99
98
93
88
85

Low Clouds (% Sky Obscured)

0
0
1
2
2
3
2
1
0
0
0
0
0
0
0
0
1
1
1
0
0
1
2
3

Medium Clouds (% Sky Obscured)

9
8
16
27
27
27
26
24
22
29
34
38
44
50
54
43
34
35
49
57
57
37
21
9

High Clouds (% Sky Obscured)

9
8
16
30
44
55
39
20
2
3
4
5
39
71
100
68
43
15
15
20
40
65
88
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
1
13
18
21
12
16
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
8
8
9
11
12
13
13
14
15
14
14
14
13
12
11
10
9
9
9
10

Chance of Frost

Temperature (°C)

10
10
10
9
11
12
14
15
16
18
19
19
20
19
19
19
18
17
16
15
14
13
13
14

Feels Like (°C)

10
9
9
9
8
8
8
13
13
13
14
14
14
17
16
16
15
15
15
11
11
11
11
11

Dew Point (°C)

7
7
7
7
8
8
9
9
10
10
10
10
10
10
11
11
10
9
8
8
8
7
6
5

Relative Humidity (%)

78
81
84
87
81
77
73
68
64
61
58
55
53
55
57
60
60
61
60
63
65
68
62
56

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1017
1016
1015
1015
1014
1013
1013
1013
1012
1012
1013
1013
1012
1012

Ozone (du)

405
403
400
398
396
394
392
391
389
388
387
386
384
383
382
381
379
377
375
374
372
371
370
369

Monday 1

Waning Gibbous 98%

22:23

05:30

Sun - Rise: 05:10, Set: 20:34, Transit: 12:52. Moon - Rise: 22:23, Set: 05:30. Civil Dark: 21:10 - 04:33. Nautical Dark: 21:58 - 03:45. Astro Dark: 22:59 - 02:45

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 26/05/26 01:39:38. Forecast: 26/05/26 to 01/06/26. Timezone: UTC-4.00