Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 92%

17:46

09:33

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 OK
02 OK
03 Bad
04 Bad

Sun - Rise: 07:18, Set: 16:12, Transit: 11:45. Moon - Rise: 17:46, Set: 09:33. Civil Dark: 16:46 - 06:45. Nautical Dark: 17:23 - 06:08. Astro Dark: 17:58 - 05:33

Total Clouds (% Sky Obscured)

76
82
82
85
99
80
90
86
97
97
97
94
91
87
87
93
99
92
84
66
23
33
58
55

Low Clouds (% Sky Obscured)

7
24
75
78
74
67
73
78
88
88
86
83
80
80
87
83
99
87
73
55
23
1
2
2

Medium Clouds (% Sky Obscured)

56
82
82
85
96
78
82
64
88
88
85
76
45
33
0
18
61
4
41
0
1
3
9
17

High Clouds (% Sky Obscured)

45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
3
0
4
17
19
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
4
9
9
9
9
9
9
0
0
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
Snow
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
1
1
2
6
30
39
32
18
10
9
10
15
36
39
16
7
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-6
-6
-6
-5
-3
-2
-1
-1
-0
0
-0
-1
-1
-1
-1
-1
-1
-2
-4
-6
-7
-8
-9

Feels Like (°C)

-12
-12
-12
-11
-10
-9
-7
-6
-6
-5
-4
-3
-5
-5
-5
-6
-5
-6
-7
-9
-11
-11
-11
-12

Dew Point (°C)

-9
-9
-9
-8
-8
-6
-6
-6
-5
-4
-2
-2
-3
-4
-4
-3
-3
-3
-3
-7
-9
-10
-11
-12

Relative Humidity (%)

80
80
82
82
79
79
75
71
74
77
84
89
86
81
80
83
83
91
92
78
77
76
75
75

Pressure (mb)

1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1008
1008
1008
1009
1009
1010
1011
1011
1013
1014
1016
1017
1018
1019

Ozone (du)

339
351
355
366
369
368
353
349
346
342
340
339
337
333
334
336
336
342
342
343
345
345
346
348

Sunday 7

Waning Gibbous 84%

19:06

10:22

05 Bad
06 Bad
07 OK
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
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:19, Set: 16:12, Transit: 11:46. Moon - Rise: 19:06, Set: 10:22. Civil Dark: 16:46 - 06:46. Nautical Dark: 17:23 - 06:09. Astro Dark: 17:58 - 05:33

Total Clouds (% Sky Obscured)

51
58
41
94
94
96
100
100
100
100
100
100
100
100
100
97
99
96
89
79
81
95
92
53

Low Clouds (% Sky Obscured)

11
12
6
23
16
22
66
86
90
94
93
93
92
93
90
86
67
30
5
5
15
73
65
11

Medium Clouds (% Sky Obscured)

45
54
27
41
86
86
100
100
100
100
100
100
100
100
99
91
95
86
79
61
65
79
65
2

High Clouds (% Sky Obscured)

51
58
28
80
70
66
65
50
45
40
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0
5
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
17
41
53
59
67
68
71
71
61
54
42
28
18
14
6
4
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.3
0.3
0.4
0.3
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
4
4
4
4
3
3
3
4
5
5
5
5
6
6
6
6
7
8
9
9
9
9

Chance of Frost

Temperature (°C)

-9
-10
-10
-10
-10
-9
-8
-8
-8
-8
-8
-9
-9
-9
-9
-10
-10
-10
-11
-11
-12
-12
-12
-13

Feels Like (°C)

-14
-14
-14
-14
-14
-13
-12
-11
-12
-12
-13
-13
-13
-14
-14
-14
-15
-15
-16
-16
-17
-17
-18
-19

Dew Point (°C)

-13
-13
-14
-14
-14
-14
-13
-13
-12
-10
-10
-10
-10
-11
-11
-11
-11
-12
-12
-13
-13
-14
-15
-16

Relative Humidity (%)

74
74
74
75
69
67
65
64
72
83
87
87
88
88
90
90
90
88
88
88
88
88
81
79

Pressure (mb)

1019
1020
1020
1020
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1022
1022
1023

Ozone (du)

347
347
348
352
356
358
361
364
367
366
375
376
376
380
390
389
386
388
392
395
401
405
410
420

Monday 8

Waning Gibbous 75%

20:26

10:57

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

Sun - Rise: 07:20, Set: 16:12, Transit: 11:46. Moon - Rise: 20:26, Set: 10:57. Civil Dark: 16:46 - 06:47. Nautical Dark: 17:23 - 06:10. Astro Dark: 17:58 - 05:34

Total Clouds (% Sky Obscured)

5
5
4
4
5
3
7
3
3
20
4
6
9
12
32
64
62
67
84
95
92
89
85
75

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
7
1
1
7
1
2
2
1
1
1
3
7
14
16
19
20
27
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
24
58
55
53
67
91
85
81
75
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
40
4
67
80
36
54
45
3
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 (%)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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)

8
9
9
9
10
11
10
10
10
10
9
7
6
5
5
4
4
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

-14
-14
-15
-15
-14
-13
-12
-11
-10
-10
-10
-11
-12
-13
-13
-14
-14
-13
-13
-13
-13
-13
-13
-12

Feels Like (°C)

-19
-19
-20
-19
-18
-18
-16
-16
-15
-15
-15
-15
-16
-17
-16
-17
-18
-17
-17
-17
-18
-17
-17
-17

Dew Point (°C)

-17
-17
-18
-18
-17
-17
-17
-16
-15
-15
-14
-15
-16
-16
-17
-17
-17
-16
-16
-17
-17
-17
-16
-16

Relative Humidity (%)

76
75
76
76
73
67
66
65
66
69
73
76
76
76
76
78
76
76
76
76
74
73
73
75

Pressure (mb)

1024
1025
1026
1027
1027
1028
1027
1027
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1024
1023

Ozone (du)

428
434
420
395
380
374
379
379
377
376
372
375
387
394
396
395
391
400
406
409
412
429
437
435

Tuesday 9

Waning Gibbous 65%

21:43

11:24

05 Bad
06 Bad
07 OK
08 OK
09 Good
10 OK
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
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:21, Set: 16:12, Transit: 11:47. Moon - Rise: 21:43, Set: 11:24. Civil Dark: 16:46 - 06:48. Nautical Dark: 17:23 - 06:11. Astro Dark: 17:58 - 05:35

Total Clouds (% Sky Obscured)

66
52
45
22
7
24
82
100
100
100
100
100
100
100
100
100
100
100
99
98
98
98
99
99

Low Clouds (% Sky Obscured)

30
28
24
13
3
3
36
54
55
30
61
83
95
95
96
98
99
99
98
94
96
79
92
94

Medium Clouds (% Sky Obscured)

53
21
14
5
0
20
43
97
100
100
100
98
84
100
100
100
76
65
29
26
39
41
98
98

High Clouds (% Sky Obscured)

0
0
0
0
0
24
64
95
97
98
100
95
91
87
62
37
0
0
1
10
10
15
20
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
3
8
8
8
8
8
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
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
11
40
54
36
20
25
39
33
27
22
14
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
6
8
9
9
9
9
9
9
9
9
9
9
10
10
10
9
9
8
8
8

Chance of Frost

Temperature (°C)

-13
-13
-13
-12
-10
-8
-7
-6
-5
-5
-5
-5
-5
-5
-6
-6
-5
-5
-5
-5
-5
-5
-5
-4

Feels Like (°C)

-17
-17
-18
-17
-14
-12
-11
-12
-11
-11
-11
-11
-12
-11
-11
-11
-10
-10
-10
-10
-11
-10
-10
-9

Dew Point (°C)

-16
-16
-17
-16
-14
-13
-13
-13
-11
-11
-11
-10
-10
-9
-8
-8
-8
-8
-8
-7
-8
-7
-7
-6

Relative Humidity (%)

75
74
73
73
72
70
64
60
62
65
66
67
70
72
84
85
80
80
82
84
84
85
89
85

Pressure (mb)

1023
1023
1022
1022
1021
1020
1019
1017
1016
1015
1014
1013
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1007
1006

Ozone (du)

433
428
426
426
428
427
424
422
417
417
416
419
415
417
421
419
404
383
367
357
350
344
339
336

Wednesday 10

Waning Gibbous 62%

22:54

11:45

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:22, Set: 16:12, Transit: 11:47. Moon - Rise: 22:54, Set: 11:45. Civil Dark: 16:46 - 06:49. Nautical Dark: 17:23 - 06:11. Astro Dark: 17:58 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

92
88
81
77
78
86
93
100
96
92
86
85
84
84
85
86
88
93
93
93
92
89
84
85

Medium Clouds (% Sky Obscured)

99
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
98
97
96
90
82
77
71

High Clouds (% Sky Obscured)

72
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
91
73
54
35
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
3
4
3
9
9
9
9
9
9
9
9
9
9
8
8
8

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow
None
Snow

Precipitation Probability (%)

14
15
16
18
21
44
72
95
95
95
89
70
55
37
61
54
36
50
57
54
58
59
49
52

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.6
0.7
0.7
0.4
0.2
0.1
0
0
0
0
0
0
0.1
0.2
0.2
0
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-3
-3
-3
-2
-1
-1
-0
-0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

-8
-8
-8
-9
-8
-7
-8
-8
-7
-6
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4

Dew Point (°C)

-6
-5
-5
-5
-4
-3
-3
-3
-2
-1
-1
-1
-0
-0
-1
-0
0
-0
-1
-0
-0
0
0
0

Relative Humidity (%)

86
87
86
86
87
86
84
84
87
91
92
91
91
93
91
93
94
94
92
94
94
96
96
96

Pressure (mb)

1006
1006
1006
1005
1004
1003
1001
1000
999
998
998
998
998
998
998
998
997
997
997
997
997
997
998
998

Ozone (du)

332
330
330
329
332
338
339
337
338
337
341
345
348
343
341
340
338
336
337
337
338
332
327
321

Thursday 11

Third Quarter 55%

00:02

12:03

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:23, Set: 16:12, Transit: 11:48. Moon - Rise: 00:02, Set: 12:03. Civil Dark: 16:46 - 06:49. Nautical Dark: 17:23 - 06:12. Astro Dark: 17:59 - 05:37

Total Clouds (% Sky Obscured)

98
97
97
97
96
96
96
97
96
96
96
96
96
97
96
96
97
95
93
95
99
100
100
100

Low Clouds (% Sky Obscured)

83
84
84
85
85
84
84
83
83
85
90
93
94
94
91
86
77
74
72
69
71
73
78
71

Medium Clouds (% Sky Obscured)

64
55
53
47
42
49
57
71
76
83
88
81
73
61
68
81
86
83
79
85
95
95
90
85

High Clouds (% Sky Obscured)

13
3
2
1
0
25
51
65
67
41
35
30
5
5
5
5
5
0
0
5
10
5
0
7

ISS Passover

Visibility (miles)

7
7
6
7
7
8
9
9
9
8
7
6
4
2
0
0
0
0
0
0
0
0
0
0

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

Snow
None
None
None
None
None
Snow
None
Snow
Snow
None
None
Snow
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

53
47
48
46
38
41
41
35
41
39
27
36
38
31
33
40
47
56
61
65
72
74
77
91

Precipitation Amount (mm)

0.2
0
0
0
0
0
0.1
0
0.1
0.1
0
0
0.1
0
0
0.1
0.2
0.2
0.3
0.3
0.4
0.4
0.4
0.6

Wind Speed/Direction (mph)

4
3
2
3
5
6
7
8
9
9
9
8
8
8
8
7
7
7
7
8
8
8
7
7

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-4
-4
-4
-3
-2
-3
-3
-3
-2
-2
-3
-3
-3
-3
-4
-4
-5
-5
-5
-5
-4
-4
-5
-5

Dew Point (°C)

0
0
0
0
0
1
1
0
1
0
-0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

96
94
94
94
94
94
94
94
94
96
98
98
98
100
100
98
100
100
98
100
100
98
98
100

Pressure (mb)

998
999
999
1000
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1003

Ozone (du)

318
314
311
311
311
310
310
309
308
303
298
293
291
288
285
288
290
292
297
301
306
309
312
315

Friday 12

Waning Crescent 44%

01:08

12:20

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

Sun - Rise: 07:24, Set: 16:12, Transit: 11:48. Moon - Rise: 01:08, Set: 12:20. Civil Dark: 16:46 - 06:50. Nautical Dark: 17:23 - 06:13. Astro Dark: 17:59 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
84
79
83
68
53
53
53
57
72
73
70
80
89
98
98
98
99

Low Clouds (% Sky Obscured)

68
60
66
72
79
71
63
53
44
32
17
19
20
21
29
35
42
43
49
45

Medium Clouds (% Sky Obscured)

80
75
56
43
28
37
27
6
2
3
5
23
43
54
66
78
90
92
94
99

High Clouds (% Sky Obscured)

5
0
0
0
0
1
2
4
14
32
26
18
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
1
2
4
6
7
9
8
7
5
5
5
4
6
7
8
9
9

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
84
70
48
42
32
16
18
17
9
17
17
12
26
25
15
17
15
10

Precipitation Amount (mm)

0.8
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
5
7
9
11
12
13
14
13
13
13
13
11
10
8
8
8
7
7

Chance of Frost

Temperature (°C)

-1
0
0
0
-0
-0
-1
-1
-2
-3
-4
-5
-5
-6
-6
-7
-7
-7
-8
-9

Feels Like (°C)

-4
-3
-4
-3
-3
-3
-3
-3
-3
-7
-8
-9
-10
-10
-10
-13
-13
-13
-14
-14

Dew Point (°C)

-1
-0
-0
-1
-1
-2
-2
-3
-4
-5
-6
-7
-8
-8
-9
-9
-9
-10
-11
-12

Relative Humidity (%)

100
98
98
96
94
91
89
86
83
82
84
82
82
82
82
84
82
82
78
78

Pressure (mb)

1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1007
1008
1008
1009
1010
1010
1010
1010
1011
1011

Ozone (du)

316
317
318
323
328
333
332
332
332
334
336
338
340
342
344
345
345
346
345
343

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

Generated: 06/12/25 05:48:58. Forecast: 06/12/25 to 12/12/25. Timezone: UTC-5.00