Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

17:03

08:08

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

Sun - Rise: 07:05, Set: 16:34, Transit: 11:50. Moon - Rise: 17:03, Set: 08:08. Civil Dark: 17:04 - 06:35. Nautical Dark: 17:38 - 06:01. Astro Dark: 18:10 - 05:29

Total Clouds (% Sky Obscured)

28
26
59
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
20
8
21
54
53
94
91
82
84
84
82
91
92
96
87
86
92
89

Medium Clouds (% Sky Obscured)

28
26
59
100
100
99
100
100
100
100
100
100
92
88
85
86
76
67
73
96
60
19
29
36

High Clouds (% Sky Obscured)

28
26
59
85
46
45
49
98
100
100
83
100
65
100
100
100
100
100
100
100
71
40
45
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
6
9
9
9
9
9
9
9
9
9
7
5
6
2

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
1
3
3
4
3
9
2
8
30
24
15
16
11
6
7
23
27
13
20
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-13
-15
-15
-14
-14
-14
-14
-14
-15
-14
-13
-12
-10
-8
-6
-5
-4
-3
-3
-1
-1
-1
-1

Relative Humidity (%)

51
44
41
42
44
43
44
44
43
40
41
44
45
51
59
64
67
71
76
78
92
92
92
94

Pressure (mb)

1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1022
1021
1020
1020
1019
1019
1019
1018

Ozone (du)

347
347
344
339
334
337
339
337
337
338
339
337
335
329
324
318
314
312
309
309
310
311
310
311

Friday 5

Waning Gibbous 97%

18:15

09:13

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 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad

Sun - Rise: 07:06, Set: 16:34, Transit: 11:50. Moon - Rise: 18:15, Set: 09:13. Civil Dark: 17:04 - 06:36. Nautical Dark: 17:38 - 06:02. Astro Dark: 18:10 - 05:30

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
85
72
67
66
34
25
40
32
85
100
100
95
96
93
45
59

Low Clouds (% Sky Obscured)

90
97
100
100
98
100
100
100
85
72
67
66
34
21
5
16
5
1
2
2
4
0
0
33

Medium Clouds (% Sky Obscured)

27
28
8
0
0
0
0
0
0
0
0
0
0
3
18
14
27
45
45
45
95
93
45
55

High Clouds (% Sky Obscured)

100
72
97
100
97
50
45
55
14
0
0
0
0
2
8
0
49
96
50
50
50
50
45
0

ISS Passover

Visibility (miles)

1
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 (%)

8
4
8
12
26
26
19
17
14
9
3
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-2
-2
-2

Relative Humidity (%)

96
94
91
91
91
89
89
87
88
91
92
87
80
70
64
61
58
57
61
71
76
76
78
81

Pressure (mb)

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

Ozone (du)

313
311
308
308
307
307
306
303
306
306
305
303
303
301
300
299
297
296
294
296
297
301
302
304

Saturday 6

Waning Gibbous 92%

19:32

10:05

21 OK
22 OK
23 Good
00 Good
01 Good
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

Sun - Rise: 07:07, Set: 16:34, Transit: 11:50. Moon - Rise: 19:32, Set: 10:05. Civil Dark: 17:04 - 06:37. Nautical Dark: 17:38 - 06:03. Astro Dark: 18:11 - 05:30

Total Clouds (% Sky Obscured)

46
26
3
2
1
2
2
2
25
35
81
96
96
99
98
67
75
85
96
90
85
80
69
61

Low Clouds (% Sky Obscured)

22
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
11
28
49
65
58
51

Medium Clouds (% Sky Obscured)

46
7
3
0
0
0
0
0
15
23
23
52
57
49
68
65
75
85
96
87
76
71
69
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
62
96
95
97
98
18
6
3
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
84
88
88
88
87
89
91
91
89
83
70
62
58
54
52
52
53
59
64
69
72
77

Pressure (mb)

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

Ozone (du)

307
308
307
307
309
309
309
307
304
306
304
304
304
303
303
302
302
303
306
306
308
309
312
312

Sunday 7

Waning Gibbous 84%

20:47

10:45

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
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 Bad
19 OK
20 Good

Sun - Rise: 07:08, Set: 16:34, Transit: 11:51. Moon - Rise: 20:47, Set: 10:45. Civil Dark: 17:04 - 06:38. Nautical Dark: 17:38 - 06:04. Astro Dark: 18:11 - 05:31

Total Clouds (% Sky Obscured)

53
69
81
91
94
97
100
100
100
100
100
81
76
65
55
46
45
39
35
41
48
49
33
18

Low Clouds (% Sky Obscured)

47
55
63
75
52
25
0
17
29
45
37
12
1
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

53
69
73
77
75
74
79
40
36
34
40
45
55
56
52
46
45
39
35
41
48
49
33
17

High Clouds (% Sky Obscured)

1
8
2
3
25
54
85
95
95
95
100
81
76
60
30
0
0
0
0
1
1
2
1
1

ISS Passover

Visibility (miles)

9
9
7
3
7
0
2
9
6
8
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 (%)

1
34
47
33
44
30
18
16
3
1
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)

3
4
5
4
5
5
6
8
11
12
14
15
15
15
15
15
14
13
12
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
1
1
1
2
1
2
-1
-3
-5
-7
-8
-9
-11
-12
-13
-13
-13
-13
-14
-14
-16

Relative Humidity (%)

78
77
78
94
94
96
96
93
94
81
71
69
62
56
50
42
37
36
37
41
45
44
43
40

Pressure (mb)

1016
1016
1016
1015
1015
1014
1014
1013
1014
1015
1016
1017
1019
1020
1020
1020
1021
1021
1022
1022
1024
1024
1025
1026

Ozone (du)

314
316
317
319
319
317
319
321
323
323
323
321
322
320
322
322
320
320
319
320
321
322
320
319

Monday 8

Waning Gibbous 75%

No Rise

11:17

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

Sun - Rise: 07:08, Set: 16:34, Transit: 11:51. Moon - Rise: No Rise, Set: 11:17. Civil Dark: 17:04 - 06:38. Nautical Dark: 17:38 - 06:05. Astro Dark: 18:11 - 05:32

Total Clouds (% Sky Obscured)

5
3
4
23
6
52
53
4
10
19
24
34
40
56
72
84
66
49
38
49
66
82
87
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
12
25
37
58
49
38
49
58
38
38
39

Medium Clouds (% Sky Obscured)

5
3
1
2
2
27
21
4
10
19
24
24
13
11
6
9
27
23
21
25
44
66
77
88

High Clouds (% Sky Obscured)

0
0
4
23
1
0
0
0
0
3
12
22
38
48
60
70
47
25
2
28
55
81
83
89

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
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-16
-16
-17
-17
-17
-17
-18
-18
-18
-19
-19
-20
-17
-14
-12
-10
-9
-8
-7
-7
-6
-6

Relative Humidity (%)

40
40
41
41
40
39
38
36
35
34
34
29
26
23
26
30
36
39
43
48
52
56
60
61

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1022
1021
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

320
321
321
320
318
320
322
324
329
335
341
345
349
353
359
364
370
369
369
369
366
364
361
356

Tuesday 9

Waning Gibbous 65%

21:58

11:43

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

Sun - Rise: 07:09, Set: 16:34, Transit: 11:52. Moon - Rise: 21:58, Set: 11:43. Civil Dark: 17:05 - 06:39. Nautical Dark: 17:38 - 06:05. Astro Dark: 18:11 - 05:33

Total Clouds (% Sky Obscured)

98
100
99
100
100
100
100
96
91
87
91
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
35
28
23
20
18
12
9
6
0
0
3
35
16
24
43
50
51
57
59
69
84
58
32

Medium Clouds (% Sky Obscured)

98
87
75
63
53
45
37
41
38
28
31
34
37
55
73
90
90
94
100
100
100
100
100
99

High Clouds (% Sky Obscured)

95
80
76
99
99
100
100
91
81
74
83
93
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
3
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
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
2
23
33
40
72
95
95
95
95
56
27
13
1
5
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1.2
1
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
61
61
61
66
70
75
78
81
84
89
93
98
98
100
100
98
100
100
98
98
96
94

Pressure (mb)

1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1011
1009
1007
1006
1006
1005
1004
1004
1004
1003

Ozone (du)

351
346
342
339
336
332
329
325
325
324
323
322
322
321
320
319
317
317
316
315
311
308
304
302

Wednesday 10

Waning Gibbous 54%

23:04

12:05

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
12 Good

Sun - Rise: 07:10, Set: 16:35, Transit: 11:52. Moon - Rise: 23:04, Set: 12:05. Civil Dark: 17:05 - 06:40. Nautical Dark: 17:39 - 06:06. Astro Dark: 18:11 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
95
91
86
77
80
88
92
65
38
9

Low Clouds (% Sky Obscured)

6
6
6
3
22
39
55
63
72
77
74
68
63
54
38
9

Medium Clouds (% Sky Obscured)

99
97
96
94
93
88
81
58
44
27
50
68
76
60
30
0

High Clouds (% Sky Obscured)

100
96
90
93
70
36
5
0
0
0
4
11
30
29
17
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

14
24
31
37
44
57
78
95
95
95
82
57
20
15
9
2

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.5
0.8
0.9
0.8
0.5
0.2
0
0
0
0

Wind Speed/Direction (mph)

10
11
10
10
10
9
8
8
7
7
8
10
12
14
15
16

Chance of Frost

Temperature (°C)

6
7
7
7
7
7
7
7
6
6
6
6
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
88
87
90
93
96
94
94
93
82
74
65
62
58

Pressure (mb)

1002
1001
1000
999
999
999
998
998
999
999
1000
1000
1001
1002
1003
1003

Ozone (du)

300
298
298
298
297
298
300
301
305
308
312
315
317
320
318
315

Forecast for Da Costa, Atlantic, United States of America (39.64,-74.76)

Generated: 04/12/25 21:03:25. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-5.00