Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 2%

06:30

14:25

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
05 Bad

Sun - Rise: 07:23, Set: 15:59, Transit: 11:41. Moon - Rise: 06:30, Set: 14:25. Civil Dark: 16:34 - 06:48. Nautical Dark: 17:12 - 06:10. Astro Dark: 17:49 - 05:34

Total Clouds (% Sky Obscured)

60
55
61
61
94
87
93
49
100
100
100
100
100
100
96
100
100
98
99
100
99
100
100
100

Low Clouds (% Sky Obscured)

4
5
24
25
4
9
3
3
1
1
1
1
0
9
1
12
4
5
0
12
42
39
41
59

Medium Clouds (% Sky Obscured)

0
6
22
33
86
65
91
33
68
67
35
40
30
36
37
44
54
47
47
63
77
96
100
100

High Clouds (% Sky Obscured)

4
38
3
52
50
60
50
49
100
100
100
100
100
100
86
100
98
91
98
52
98
100
100
100

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
7

Fog (%)

0
1
1
1
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
4
3
0
0
4
86
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.9
0.5

Wind Speed/Direction (mph)

4
3
3
3
5
4
5
6
5
7
7
7
7
8
10
12
13
13
12
13
13
14
14
13

Chance of Frost

Temperature (°C)

-8
-9
-10
-9
-7
-5
-4
-3
-2
-1
-1
-1
1
1
2
3
3
4
4
4
4
4
4
4

Feels Like (°C)

-11
-12
-13
-12
-11
-9
-8
-7
-5
-5
-5
-5
-4
-4
-3
-3
-2
-1
-2
-2
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
87
89
87
84
84
86
87
84
83
74
67
64
60
60
72
73
73
76
82
86
94

Pressure (mb)

1023
1024
1025
1026
1025
1023
1022
1020
1019
1018
1016
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1004
1003

Ozone (du)

324
325
321
322
321
321
319
320
317
318
315
315
314
313
311
309
309
306
304
301
302
303
304
304

Friday 19

New Moon 0%

07:30

15:11

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
05 Bad

Sun - Rise: 07:24, Set: 15:59, Transit: 11:41. Moon - Rise: 07:30, Set: 15:11. Civil Dark: 16:34 - 06:49. Nautical Dark: 17:12 - 06:10. Astro Dark: 17:49 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
99
98
97
91
96
100
100
100
75

Low Clouds (% Sky Obscured)

51
66
64
36
47
47
78
100
76
96
77
98
90
90
89
97
92
96
88
93
100
100
100
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
64
100
100
95
100
98
70
73
93
82
59
59
54
21
6
3

High Clouds (% Sky Obscured)

100
100
100
100
100
100
91
92
92
100
1
95
0
0
0
0
0
4
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
0
7
6
4
3
9
2
4
1
2
9
9
0
0
0
0
0
0
0
0
0
0
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

Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

69
80
84
95
95
95
95
95
95
95
95
35
49
73
64
75
78
71
71
64
53
44
26
4

Precipitation Amount (mm)

0.3
0.4
0.4
0.7
1.9
0.6
0.7
2.6
2
1.8
0.5
0
0
0.4
0.2
0.4
0.4
0.3
0.4
0.3
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-0
1
0
-1
0
1
2
-1
-2
-3
-5
-5
-7
-8
-9
-9
-10
-12
-15
-18
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
98
94
87
88
91
96
96
91
93
98
93
91
91
91
89
94
90
88
87
75

Pressure (mb)

1002
999
997
995
993
990
986
984
983
985
986
987
987
987
988
988
989
990
991
994
998
1001
1003
1006

Ozone (du)

303
303
305
307
309
311
319
319
328
332
336
340
350
363
372
373
380
386
388
396
398
390
389
384

Saturday 20

Waxing Crescent 1%

08:22

16:07

06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
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
05 Bad

Sun - Rise: 07:24, Set: 16:00, Transit: 11:42. Moon - Rise: 08:22, Set: 16:07. Civil Dark: 16:34 - 06:49. Nautical Dark: 17:13 - 06:11. Astro Dark: 17:49 - 05:35

Total Clouds (% Sky Obscured)

74
74
60
27
18
28
33
60
62
62
95
100
96
100
100
100
100
100
100
100
100
100
93
87

Low Clouds (% Sky Obscured)

74
72
60
27
8
13
1
2
1
2
10
40
53
41
20
25
25
20
100
98
96
94
89
84

Medium Clouds (% Sky Obscured)

0
0
0
0
7
17
22
60
62
62
88
99
91
100
100
100
100
100
100
100
100
100
70
40

High Clouds (% Sky Obscured)

0
0
0
3
0
2
9
35
45
41
48
60
81
100
100
100
100
100
100
100
100
100
47
13

ISS Passover

Visibility (miles)

6
7
9
9
9
9
9
9
9
9
9
9
9
4
4
2
2
1
1
5
1
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

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

Precipitation Probability (%)

3
1
0
0
0
0
0
0
0
0
0
0
7
4
34
28
49
39
32
46
76
91
83
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0.3
0.5
0.4
0.2

Wind Speed/Direction (mph)

17
17
15
14
13
12
11
11
10
8
4
5
7
8
6
8
9
9
8
5
7
9
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-17
-17
-15
-14
-13
-12
-12
-11
-11
-9
-11
-12
-12
-11
-11
-10
-10
-8
-8
-8
-8
-8
-7

Dew Point (°C)

-12
-12
-13
-13
-13
-13
-13
-13
-12
-11
-11
-10
-10
-10
-9
-8
-8
-7
-6
-5
-5
-4
-4
-3

Relative Humidity (%)

77
75
72
71
68
65
67
66
68
71
79
80
80
80
80
85
85
89
89
89
89
92
92
92

Pressure (mb)

1008
1011
1013
1015
1016
1016
1016
1016
1017
1018
1018
1017
1015
1014
1013
1010
1008
1007
1006
1006
1005
1004
1003
1002

Ozone (du)

385
385
387
385
379
377
371
364
359
349
341
339
337
336
336
337
338
337
338
339
339
341
347
354

Sunday 21

Waxing Crescent 3%

09:04

17:12

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
05 Bad

Sun - Rise: 07:25, Set: 16:00, Transit: 11:42. Moon - Rise: 09:04, Set: 17:12. Civil Dark: 16:35 - 06:50. Nautical Dark: 17:13 - 06:11. Astro Dark: 17:50 - 05:35

Total Clouds (% Sky Obscured)

82
86
92
96
97
90
48
92
97
98
98
95
99
95
92
87
83
81
80
83
81
77
72
54

Low Clouds (% Sky Obscured)

81
85
88
89
90
84
46
88
94
97
98
95
99
93
85
77
75
72
69
71
71
70
69
52

Medium Clouds (% Sky Obscured)

5
24
45
68
54
40
27
17
8
0
0
2
2
28
35
40
40
6
6
2
3
2
2
1

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

7
5
0
0
0
4
9
9
9
9
9
6
5
5
5
4
1
0
0
3
5
6
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
52
53
57
55
40
32
29
22
19
18
23
18
20
27
14
25
33
23
11
17
5
6
4

Precipitation Amount (mm)

0
0
0.1
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-6
-6
-8
-11
-11
-13
-14
-14
-14
-15
-15
-16
-16
-16
-17
-17
-18
-18
-19
-19
-19

Dew Point (°C)

-3
-3
-2
-2
-1
-4
-8
-8
-10
-10
-11
-10
-10
-10
-11
-11
-11
-11
-11
-12
-13
-14
-15
-15

Relative Humidity (%)

86
86
89
92
94
80
71
75
72
73
73
77
80
82
80
83
82
87
87
83
80
80
78
78

Pressure (mb)

1002
1002
1002
1002
1002
1002
1003
1004
1006
1007
1008
1009
1010
1010
1011
1012
1013
1014
1015
1016
1017
1019
1020
1021

Ozone (du)

364
369
369
369
369
369
371
371
375
387
399
393
388
388
378
377
375
374
374
376
375
375
378
386

Monday 22

Waxing Crescent 7%

09:37

18:22

06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 OK
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
05 Bad

Sun - Rise: 07:25, Set: 16:01, Transit: 11:43. Moon - Rise: 09:37, Set: 18:22. Civil Dark: 16:35 - 06:50. Nautical Dark: 17:14 - 06:12. Astro Dark: 17:51 - 05:36

Total Clouds (% Sky Obscured)

36
38
38
33
34
59
31
55
69
70
68
54
70
79
88
97
94
92
91
90
91
90
81
73

Low Clouds (% Sky Obscured)

36
33
30
24
22
19
18
31
52
47
34
19
24
30
32
40
61
73
84
82
79
77
67
58

Medium Clouds (% Sky Obscured)

1
1
2
3
6
52
11
51
7
4
0
3
3
16
30
43
41
43
37
36
43
47
43
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
2
3
18
37
54
55
60

ISS Passover

Visibility (miles)

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

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 (%)

1
3
3
1
3
3
0
1
1
2
2
3
2
10
12
12
14
16
12
9
6
4
12
16

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)

14
14
14
14
14
14
14
14
13
12
11
11
10
9
9
9
9
8
8
7
7
6
6
5

Chance of Frost

Temperature (°C)

-12
-13
-13
-13
-12
-12
-11
-11
-11
-11
-11
-11
-11
-12
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12

Feels Like (°C)

-19
-19
-19
-19
-19
-18
-19
-17
-18
-18
-18
-18
-17
-17
-17
-17
-17
-17
-18
-18
-18
-18
-18
-18

Dew Point (°C)

-15
-16
-16
-16
-16
-16
-15
-15
-14
-14
-14
-14
-14
-14
-13
-13
-13
-13
-14
-14
-14
-14
-15
-14

Relative Humidity (%)

79
78
79
75
75
73
73
75
78
78
78
81
83
81
85
86
88
86
85
85
83
83
83
85

Pressure (mb)

1022
1023
1024
1025
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026

Ozone (du)

383
384
387
387
388
392
376
377
377
379
388
386
385
383
377
371
365
363
361
359
359
359
359
361

Tuesday 23

Waxing Crescent 13%

10:03

19:34

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
05 Bad

Sun - Rise: 07:26, Set: 16:01, Transit: 11:43. Moon - Rise: 10:03, Set: 19:34. Civil Dark: 16:36 - 06:51. Nautical Dark: 17:14 - 06:12. Astro Dark: 17:51 - 05:36

Total Clouds (% Sky Obscured)

64
58
39
32
35
34
38
52
65
80
88
92
97
96
96
96
97
98
100
96
90
86
72
59

Low Clouds (% Sky Obscured)

48
52
39
32
35
34
30
20
15
0
11
22
34
34
34
34
52
63
74
58
45
29
45
49

Medium Clouds (% Sky Obscured)

39
40
39
32
35
34
38
52
65
80
88
92
95
70
54
34
36
38
35
35
30
30
29
28

High Clouds (% Sky Obscured)

62
54
39
32
35
34
38
35
20
0
0
0
0
0
0
0
19
39
43
38
23
5
0
0

ISS Passover

Visibility (miles)

3
0
1
1
1
1
1
0
0
0
0
0
0
1
1
2
3
5
7
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

19
25
31
37
52
66
80
83
82
76
72
64
50
49
44
36
35
32
27
28
22
12
33
46

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.5
0.5
0.5
0.4
0.3
0.3
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-13
-12
-11
-10
-9
-8
-7
-7
-8
-10
-10
-10
-10
-10
-10
-11
-11
-11
-12
-12
-13
-13

Relative Humidity (%)

88
90
86
83
82
85
88
94
92
92
92
92
94
94
94
94
92
90
87
85
83
83
81
81

Pressure (mb)

1025
1025
1024
1024
1023
1022
1020
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1017
1017
1017
1018
1019
1019
1020

Ozone (du)

362
364
363
361
360
357
353
349
348
347
347
349
352
354
352
351
349
353
358
362
365
368
371
368

Wednesday 24

Waxing Crescent 21%

10:25

20:46

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: 07:26, Set: 16:02, Transit: 11:44. Moon - Rise: 10:25, Set: 20:46. Civil Dark: 16:37 - 06:51. Nautical Dark: 17:15 - 06:13. Astro Dark: 17:52 - 05:36

Total Clouds (% Sky Obscured)

42
20
15
15
25
34
43
49
61
71
68
61
53
69
84
99
100
100
100

Low Clouds (% Sky Obscured)

42
20
15
15
25
34
43
49
61
61
55
51
43
53
63
78
84
93
99

Medium Clouds (% Sky Obscured)

27
20
15
15
25
31
31
24
15
6
12
17
23
49
73
98
99
99
100

High Clouds (% Sky Obscured)

0
0
0
5
25
33
5
27
48
70
47
23
0
33
66
98
98
97
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

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

Precipitation Probability (%)

57
60
60
57
49
40
25
20
15
7
6
4
0
1
2
2
12
15
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
6
5
4
5
7
6
5
5
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-11
-11
-11
-10
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9

Feels Like (°C)

-13
-13
-16
-16
-17
-17
-17
-17
-17
-16
-15
-15
-15
-14
-15
-15
-15
-15
-15

Dew Point (°C)

-13
-14
-14
-14
-14
-14
-14
-13
-14
-13
-13
-13
-13
-13
-13
-12
-12
-12
-12

Relative Humidity (%)

80
78
80
80
80
80
78
78
78
78
78
78
80
81
80
81
81
81
80

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

365
362
361
360
359
359
358
358
354
350
346
345
344
342
342
341
341
343
346

Forecast for Sainte-Marie, Chaudière-Appalaches, Canada (46.41,-71.06)

Generated: 18/12/25 06:52:11. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-5.00