Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waxing Gibbous 93%

16:28

05:27

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

Sun - Rise: 06:21, Set: 19:35, Transit: 12:59. Moon - Rise: 16:28, Set: 05:27. Civil Dark: 20:05 - 05:51. Nautical Dark: 20:41 - 05:15. Astro Dark: 21:19 - 04:37

Total Clouds (% Sky Obscured)

28
68
84
100
100
85
23
4
0
0
0
1
6
6
1
8
6
11
9
81
98
100
100
99

Low Clouds (% Sky Obscured)

28
67
80
100
100
83
20
3
0
0
0
0
5
5
1
5
5
5
5
0
0
0
0
1

Medium Clouds (% Sky Obscured)

1
1
1
1
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
6
100
99
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
4
4
4
4
81
98
100
96
96

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-6
-6
-7
-6
-7
-7
-7
-7
-7
-7
-7
-8
-8
-7
-8
-6
-4
-2

Dew Point (°C)

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

Relative Humidity (%)

39
35
34
32
34
35
41
37
41
48
55
58
61
62
64
66
79
80
79
70
53
44
38
37

Pressure (mb)

1023
1023
1023
1022
1022
1022
1023
1024
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1029
1029
1028
1028
1027
1026

Ozone (du)

404
395
392
390
390
388
387
389
396
396
397
396
395
396
400
393
388
393
399
399
399
397
393
390

Friday 11

Waxing Gibbous 97%

17:31

05:43

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
11 Bad

Sun - Rise: 06:19, Set: 19:37, Transit: 12:59. Moon - Rise: 17:31, Set: 05:43. Civil Dark: 20:06 - 05:49. Nautical Dark: 20:42 - 05:13. Astro Dark: 21:20 - 04:35

Total Clouds (% Sky Obscured)

98
97
100
100
99
100
99
100
100
100
100
100
100
100
100
100
98
97
98
98
98
100
100
100

Low Clouds (% Sky Obscured)

86
86
86
85
85
87
83
86
84
82
86
86
88
84
87
88
87
87
85
84
82
91
88
86

Medium Clouds (% Sky Obscured)

92
89
95
90
93
100
95
99
100
99
98
84
91
85
95
84
83
85
89
92
49
48
48
50

High Clouds (% Sky Obscured)

60
57
100
100
46
76
64
75
97
88
100
100
100
100
100
100
81
77
60
60
64
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
None
None
None
None
None
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
3
9
18
35
47
51
54
50
49
50
49
55
54
60
71
58
47
51
48
34
22
25
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
8
8
8
8
6
6
8
8
7
7
7
6
6
6
6
6
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-7
-5
-3
-3
-3
-1
2
2
2
1
1
0
0
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2

Relative Humidity (%)

36
44
51
59
62
61
74
98
98
98
98
98
96
98
96
96
96
96
94
96
92
83
81
77

Pressure (mb)

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

Ozone (du)

384
380
379
379
379
381
382
384
386
387
387
389
391
388
385
386
389
390
386
387
388
388
392
393

Saturday 12

Full Moon 99%

18:34

06:00

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
11 Bad

Sun - Rise: 06:17, Set: 19:38, Transit: 12:58. Moon - Rise: 18:34, Set: 06:00. Civil Dark: 20:08 - 05:47. Nautical Dark: 20:44 - 05:11. Astro Dark: 21:22 - 04:33

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

86
92
89
90
87
84
82
89
99
100
97
77
85
95
93
87
87
99
92
92
93
84
88
94

Medium Clouds (% Sky Obscured)

39
41
34
36
44
47
54
55
56
86
90
91
89
87
66
61
50
30
30
30
34
83
72
53

High Clouds (% Sky Obscured)

45
60
65
70
73
28
90
90
90
85
85
65
60
60
45
45
40
35
60
75
67
79
75
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
1
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

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

Precipitation Probability (%)

34
30
32
30
32
36
36
30
20
22
26
31
28
29
29
32
37
50
51
48
54
38
32
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
88
86
85
89
93
98
98
98
96
98
98
98
100
98
100
100
100
98
100
98
98
98

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1021
1020
1020
1020

Ozone (du)

391
389
388
389
387
388
389
388
387
385
386
382
379
376
378
379
378
379
378
378
379
379
377
379

Sunday 13

Waning Gibbous 100%

19:38

06:17

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
11 Bad

Sun - Rise: 06:15, Set: 19:39, Transit: 12:58. Moon - Rise: 19:38, Set: 06:17. Civil Dark: 20:09 - 05:45. Nautical Dark: 20:45 - 05:09. Astro Dark: 21:24 - 04:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
94
86
89
90
73
70
70
70
60
65
70
74
77
81
73
69
64
76

Low Clouds (% Sky Obscured)

99
100
100
92
98
89
78
66
77
80
43
50
55
55
50
55
55
60
58
55
43
39
43
51

Medium Clouds (% Sky Obscured)

46
47
64
81
81
72
43
3
0
0
1
13
2
0
0
2
0
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
35

ISS Passover

Visibility (miles)

0
2
7
7
7
6
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

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 (%)

15
20
18
27
26
21
14
13
5
2
17
15
2
1
0
4
13
12
2
4
2
9
3
2

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)

3
3
3
3
3
4
4
3
3
2
2
2
2
3
3
3
3
3
3
2
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
93
93
94
98
98
98
100
98
100
100
100
98
98
98
98
100
98
98
98
98
96
94

Pressure (mb)

1019
1019
1018
1018
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

378
377
377
380
382
385
389
393
396
398
399
400
399
399
396
393
393
391
392
389
389
387
386
386

Monday 14

Waning Gibbous 99%

20:42

06:38

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

Sun - Rise: 06:14, Set: 19:40, Transit: 12:58. Moon - Rise: 20:42, Set: 06:38. Civil Dark: 20:10 - 05:44. Nautical Dark: 20:47 - 05:07. Astro Dark: 21:25 - 04:28

Total Clouds (% Sky Obscured)

89
100
88
76
63
57
42
30
30
30
30
38
36
35
51
57
78
87
94
100
98
92
93
90

Low Clouds (% Sky Obscured)

64
73
78
76
63
57
42
30
30
30
30
38
35
30
13
14
22
49
55
65
67
58
63
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
28
38
34
38
34
30
33
64
84

High Clouds (% Sky Obscured)

65
95
60
32
0
0
0
0
0
0
0
4
9
15
26
31
40
59
74
85
61
27
17
2

ISS Passover

Visibility (miles)

4
3
8
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
0
0
0
1
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 (%)

3
12
2
9
5
1
8
0
0
0
0
1
1
0
0
0
0
0
0
0
1
4
6
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
5
5
4
4
3
2
2
1
1
0
0
-1
-1
-2
-1
-1
0
2
5
7

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
87
90
85
91
94
98
98
98
100
98
98
96
100
98
100
100
96
96
93
81
72

Pressure (mb)

1018
1017
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013

Ozone (du)

385
387
383
379
379
381
376
372
372
371
371
372
372
374
374
372
368
368
369
371
370
369
369
367

Tuesday 15

Waning Gibbous 95%

21:48

07:02

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
11 Bad

Sun - Rise: 06:12, Set: 19:41, Transit: 12:58. Moon - Rise: 21:48, Set: 07:02. Civil Dark: 20:12 - 05:42. Nautical Dark: 20:48 - 05:05. Astro Dark: 21:27 - 04:26

Total Clouds (% Sky Obscured)

87
84
89
94
99
84
63
58
78
90
100
100
100
100
100
100
100
100
100
100
98
96
95
96

Low Clouds (% Sky Obscured)

60
62
40
20
0
0
0
0
9
18
27
38
48
59
72
86
100
97
94
92
94
96
95
88

Medium Clouds (% Sky Obscured)

23
84
81
12
3
4
5
4
26
47
70
71
72
73
64
54
45
58
73
87
75
57
31
24

High Clouds (% Sky Obscured)

1
0
16
38
58
41
23
48
70
84
100
100
100
100
100
100
100
100
100
100
98
96
95
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
1
3
5
7
5
2
0
2
4
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

12
4
4
6
0
0
0
0
3
8
14
57
81
95
95
95
95
95
95
95
95
69
41
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.6
0.8
0.9
1
0.6
0.3
0
0

Wind Speed/Direction (mph)

1
2
1
2
3
3
3
3
4
4
5
6
6
7
8
7
7
7
7
6
6
7
9
12

Chance of Frost

Temperature (°C)

9
10
11
11
12
12
11
10
8
8
8
8
8
8
8
8
8
8
8
9
9
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
75
83
87
87
88
91
95
96
98
100
98
98
98
100
98
98
96
93
91
88
87
84

Pressure (mb)

1013
1012
1012
1011
1010
1010
1010
1009
1009
1009
1008
1007
1006
1005
1003
1002
1002
1001
1000
1000
999
999
998
998

Ozone (du)

368
368
365
358
356
355
347
340
337
335
332
330
327
325
322
321
321
320
325
330
334
340
346
352

Wednesday 16

Waning Gibbous 91%

22:54

07:32

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
11 Bad

Sun - Rise: 06:10, Set: 19:43, Transit: 12:57. Moon - Rise: 22:54, Set: 07:32. Civil Dark: 20:13 - 05:40. Nautical Dark: 20:49 - 05:03. Astro Dark: 21:29 - 04:24

Total Clouds (% Sky Obscured)

97
97
98
99
100
100
100
100
100
100
100
98
96
92
97
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
63
75
87
99
93
86
79
86
93
100
89
78
67
78
89
100
94
88
84
91
96
100
100

Medium Clouds (% Sky Obscured)

14
12
9
6
6
15
27
37
38
40
50
53
70
79
72
67
63
57
53
51
49
43
34
28

High Clouds (% Sky Obscured)

55
32
55
77
100
100
90
65
43
20
0
6
13
5
2
1
0
0
0
0
0
1
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
4
1
1
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

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

Precipitation Probability (%)

35
25
20
20
24
31
39
48
61
72
79
71
67
69
63
59
52
56
58
56
59
59
57
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.5
0.6
0.5
0.4
0.5
0.4
0.3
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
9
9
9
7
6
5
4
3
3
2
1
1
0
-0
-1
-1
-1
-1
-1
0
1

Feels Like (°C)

9
9
11
5
4
4
4
4
4
1
0
-0
-1
-1
-2
-3
-3
-4
-4
-4
-4
-5
-4
-5

Dew Point (°C)

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

Relative Humidity (%)

84
84
85
84
81
80
84
90
94
94
96
98
98
98
98
98
98
98
96
98
98
98
98
98

Pressure (mb)

998
999
999
999
998
998
998
999
999
999
999
999
999
998
998
998
998
998
998
999
999
999
1000
1000

Ozone (du)

359
366
373
372
371
370
372
375
378
385
392
398
400
401
402
407
411
415
415
414
413
414
414
415

Forecast for Mount Arab, St. Lawrence, United States of America (44.10,-74.52)

Generated: 10/04/25 04:34:27. Forecast: 10/04/25 to 16/04/25. Timezone: UTC-4.00