Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 1%

05:35

21:07

11 Bad
12 OK
13 OK
14 OK
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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:01, Set: 21:21, Transit: 13:43. Moon - Rise: 05:35, Set: 21:07. Civil Dark: 22:16 - 05:05. Nautical Dark: 23:39 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

46
30
20
28
65
94
79
91
99
97
87
86
80
89
100
100
90
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
16
16
14
21
27
4
3
4
5
7
12
26
44
45
38
33

Medium Clouds (% Sky Obscured)

44
23
17
28
32
30
44
59
82
90
76
78
78
81
100
100
69
87
98
100
100
100
100
100

High Clouds (% Sky Obscured)

2
4
1
0
48
83
35
30
24
27
5
11
0
28
39
2
20
78
100
100
100
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
9

Fog (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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 (%)

9
8
7
9
11
10
9
12
12
12
11
12
12
12
11
11
11
11
11
12
13
15
16
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)

5
6
7
8
9
9
8
6
5
6
6
6
5
6
6
6
6
5
5
5
5
3
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
72
72
73
75
77
82
86
86
83
81
81
80
81
81
81
83
83
86
83
81
81

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

397
399
400
397
394
393
393
395
397
399
400
401
400
400
398
397
397
394
393
393
392
392
392
394

Friday 17

New Moon 0%

05:23

23:12

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:58, Set: 21:24, Transit: 13:42. Moon - Rise: 05:23, Set: 23:12. Civil Dark: 22:20 - 05:01. Nautical Dark: 23:45 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
95
96
100

Low Clouds (% Sky Obscured)

31
28
43
44
72
61
78
85
89
91
91
91
90
94
94
96
96
93
93
92
90
92
90
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
94
94
100
100
100
100
100
100
100
100
100
100
100
100
98
86
60
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
67
40
40
40
45
35
35
40
35
30
35
35
30

ISS Passover

Visibility (miles)

9
7
4
3
6
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
17
37
52
100
99
41
3
2
1

Precipitation Type

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

Precipitation Probability (%)

16
15
17
19
25
35
24
34
39
51
57
65
70
75
83
91
93
93
91
89
83
74
64
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.3
0.4
0.5
0.6
0.6
0.6
0.5
0.4
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
3
3
3
3
3
2
1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1

Feels Like (°C)

-1
-1
-0
0
0
0
0
0
-2
-2
-4
-4
-5
-5
-5
-5
-5
-4
-5
-5
-5
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
85
86
86
88
91
94
96
98
98
96
94
94
94
96
96
98
96
98
94
94
92

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

395
396
396
396
395
395
395
395
395
396
395
394
391
390
392
392
390
389
394
400
413
424
432
442

Saturday 18

Waxing Crescent 3%

05:04

01:36

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:54, Set: 21:27, Transit: 13:42. Moon - Rise: 05:04, Set: 01:36. Civil Dark: 22:23 - 04:57. Nautical Dark: 23:51 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
98
94
98
75
96
100
100
100
100
100
100
100
100
100
100
99
99
98
98
95
97
96

Low Clouds (% Sky Obscured)

100
95
91
81
91
57
38
34
35
33
25
2
5
2
8
13
6
5
2
0
0
0
18
27

Medium Clouds (% Sky Obscured)

61
48
54
48
48
23
66
69
32
97
87
100
100
100
100
99
100
99
99
98
88
72
69
76

High Clouds (% Sky Obscured)

35
27
3
0
0
0
75
98
100
100
100
100
100
100
100
100
99
78
21
0
23
47
70
70

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
46
37
35
32
28
25
18
8
5
6
7
8
10
17
22
34
32
41
29
38
39
28
39

Precipitation Amount (mm)

0.1
0.1
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)

4
5
6
6
4
3
1
0
0
0
0
1
1
2
3
6
7
8
10
11
12
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-3
-4
-2
-2
-3
-3
-5
-6
-6
-7
-7
-6
-5
-5
-5
-5
-5
-6
-6
-4

Dew Point (°C)

-3
-2
-2
-3
-2
-2
-2
-2
-1
-1
-2
-4
-5
-5
-5
-4
-4
-3
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

91
91
91
86
86
84
84
84
88
92
94
89
86
84
82
84
84
83
78
77
75
73
70
70

Pressure (mb)

1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1004
1003
1002
1001
1001
1000
1000
999
999
998

Ozone (du)

442
440
438
436
431
424
417
416
420
423
420
413
404
396
391
392
393
391
391
392
393
393
393
393

Sunday 19

Waxing Crescent 9%

No Rise

No Set

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:51, Set: 21:30, Transit: 13:42. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:27 - 04:53. Nautical Dark: 23:57 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
94
51
94
100
91
81
72
74
80
84
86
93
100
100
100
100
95
92
63
91
96
100
100

Low Clouds (% Sky Obscured)

19
21
2
3
35
39
47
54
51
66
75
83
91
97
97
97
98
93
87
46
71
64
54
60

Medium Clouds (% Sky Obscured)

67
91
34
50
100
84
76
60
43
58
60
70
85
100
100
97
98
86
79
21
32
86
99
98

High Clouds (% Sky Obscured)

70
72
51
94
100
82
63
45
45
45
35
30
35
40
35
35
0
0
0
0
20
38
48
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
8
9
3
0
0
1

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

Precipitation Probability (%)

39
26
37
38
30
37
37
33
38
42
41
66
67
73
83
82
80
84
78
71
66
64
50
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
15
14
13
12
10
9
7
3
0
1
2
3
4
3
1
0
1
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-3
-1
-2
-2
-2
-2
-3
-4
-4
-5
-6
-6
-7
-6
-6
-6
-6
-6
-4
-4
-4
-2

Dew Point (°C)

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

Relative Humidity (%)

68
69
70
72
73
72
72
70
70
71
74
74
74
74
74
74
77
77
80
78
87
86
87
86

Pressure (mb)

998
999
999
999
999
999
998
998
998
998
999
999
999
999
999
999
999
1000
1000
1000
1001
1001
1001
1001

Ozone (du)

393
394
393
390
387
385
381
380
379
379
380
382
385
386
391
396
402
408
414
417
414
414
414
415

Monday 20

Waxing Crescent 18%

No Rise

No Set

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:47, Set: 21:33, Transit: 13:42. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:31 - 04:49. Nautical Dark: 00:04 - 03:12. Astro Dark: N/A - N/A

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
100

Low Clouds (% Sky Obscured)

65
70
66
58
54
44
37
30
30
30
30
46
41
40
60
81
99
99
99
99
99
99
99
99

Medium Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
90
94
97
100
100

High Clouds (% Sky Obscured)

52
59
85
93
91
85
100
100
98
97
96
35
35
35
45
65
75
75
75
65
33
31
33
44

ISS Passover

Visibility (miles)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

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
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

59
64
68
69
70
75
79
89
95
95
95
95
95
95
95
95
95
95
95
91
79
66
47
48

Precipitation Amount (mm)

0.2
0.4
0.5
0.5
0.5
0.6
0.6
0.8
0.9
1.1
1.2
1
0.9
0.9
0.7
0.6
0.6
0.8
0.8
0.7
0.5
0.3
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-2
-2
-1
-1
-2
-3
-3
-4
-4
-4
-5
-5
-5
-5
-5
-6
-6
-6
-6
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

88
91
94
93
94
96
98
98
98
98
98
96
98
96
96
96
96
96
96
96
94
94
92
89

Pressure (mb)

1000
1000
1000
1000
999
999
999
999
999
999
999
1000
999
999
1000
1001
1002
1003
1004
1005
1006
1006
1007
1008

Ozone (du)

416
418
418
416
413
411
409
410
410
411
410
411
413
415
417
418
419
420
421
422
423
424
425
426

Tuesday 21

Waxing Crescent 28%

No Rise

No Set

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:44, Set: 21:36, Transit: 13:42. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:34 - 04:44. Nautical Dark: 00:11 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
97
94
95
97
100
100
98
98

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
95
90
87
82
81
73
77
81
85
83

Medium Clouds (% Sky Obscured)

100
100
98
95
94
93
92
92
93
94
95
73
52
25
39
57
72
66
72
70
80
95
95
95

High Clouds (% Sky Obscured)

47
60
70
75
80
80
75
75
73
62
70
76
83
85
95
95
97
90
80
66
62
57
52
49

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

47
44
53
59
63
68
71
70
67
63
56
55
52
47
45
43
40
40
39
38
39
39
39
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-8
-8
-9
-9
-10
-10
-13
-12
-12
-13
-12
-13
-14
-14
-14
-14
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

91
92
94
92
94
94
94
94
92
92
94
94
92
94
92
92
92
90
90
90
90
88
88
88

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1013
1014
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

427
429
430
430
430
430
427
425
422
420
419
418
416
414
412
413
413
414
421
427
434
439
444
449

Wednesday 22

Waxing Crescent 39%

09:39

05:50

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

Sun - Rise: 05:40, Set: 21:39, Transit: 13:41. Moon - Rise: 09:39, Set: 05:50. Civil Dark: 22:38 - 04:40. Nautical Dark: 00:19 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
95
95
93
95
95
94
97
96
96
95
95
95
90
90
90
90

Low Clouds (% Sky Obscured)

84
84
82
84
84
79
77
72
68
64
60
55
55
50
50
45
45

Medium Clouds (% Sky Obscured)

95
95
94
87
77
82
83
88
94
94
95
95
92
83
64
45
26

High Clouds (% Sky Obscured)

44
41
59
79
95
86
76
67
54
40
27
18
9
0
1
1
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
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

Precipitation Type

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

Precipitation Probability (%)

38
37
38
38
38
39
39
37
37
37
35
35
34
32
29
25
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
5
5
4
4
4
4
4
3
3
2
1
1
0
0
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-11
-11
-10
-10
-10
-10
-11
-12
-12
-13
-13
-14
-14
-15
-17

Relative Humidity (%)

87
87
87
85
85
87
87
87
87
87
88
88
90
88
88
86
84

Pressure (mb)

1021
1021
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

451
452
454
456
457
459
455
452
449
449
449
450
449
449
449
451
453

Forecast for Donnelly, Southeast Fairbanks, United States of America (63.68,-145.89)

Generated: 16/04/26 11:10:38. Forecast: 16/04/26 to 22/04/26. Timezone: UTC-8.00