Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waxing Gibbous 79%

13:41

02:39

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

Sun - Rise: 06:55, Set: 16:12, Transit: 11:33. Moon - Rise: 13:41, Set: 02:39. Civil Dark: 16:44 - 06:23. Nautical Dark: 17:19 - 05:48. Astro Dark: 17:53 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
50
4
5
2
3
6
25
21
13
5
0
2
2
34

Low Clouds (% Sky Obscured)

90
69
88
100
80
60
36
13
34
40
0
0
0
0
0
5
25
21
13
5
0
0
0
0

Medium Clouds (% Sky Obscured)

100
94
97
100
97
92
14
2
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
50
3
2
0
0
0
0
0
0
0
0
1
1
18

ISS Passover

Visibility (miles)

9
4
2
2
4
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

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

Precipitation Probability (%)

80
95
81
95
95
38
14
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.8
0.2
1.9
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
11
12
11
11
15
13
12
12
12
13
13
14
14
14
15
14
13
12
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
96
96
90
85
87
73
70
72
76
73
67
66
68
64
60
52
44
39
36
34
33
34

Pressure (mb)

1019
1018
1018
1017
1016
1016
1015
1016
1016
1017
1017
1018
1018
1019
1020
1021
1022
1023
1023
1023
1023
1024
1025
1026

Ozone (du)

322
324
325
325
329
330
331
331
334
333
334
343
349
352
354
363
368
373
378
377
376
378
387
393

Monday 1

Waxing Gibbous 88%

14:10

03:59

17 Good
18 Good
19 OK
20 OK
21 Bad
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

Sun - Rise: 06:56, Set: 16:12, Transit: 11:34. Moon - Rise: 14:10, Set: 03:59. Civil Dark: 16:43 - 06:24. Nautical Dark: 17:19 - 05:49. Astro Dark: 17:52 - 05:15

Total Clouds (% Sky Obscured)

5
8
20
34
60
44
87
84
87
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
67
55
60
68
67
75
87
100
100
100
100
100

Medium Clouds (% Sky Obscured)

3
4
13
17
15
14
15
22
21
26
82
96
100
74
99
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
2
5
23
42
31
87
68
67
37
100
100
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
9
9
9
9
9
9
8
4
2
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
99

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
12
26
85
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.7
2.2
3.8
3.1
3.3

Wind Speed/Direction (mph)

8
7
7
7
7
6
3
2
2
2
2
3
2
2
3
5
6
7
8
7
3
3
6
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-13
-13
-13
-13
-12
-12
-11
-11
-10
-10
-9
-6
-4
-2
-2
-1
1
3
4
5

Relative Humidity (%)

35
36
37
37
37
36
37
39
41
43
44
44
46
48
51
58
63
67
67
68
73
86
93
94

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1024
1024
1023
1022
1021
1020
1019
1017
1015
1013
1011
1010
1007

Ozone (du)

393
390
385
381
378
377
372
367
363
363
365
366
368
366
361
358
355
352
349
347
345
344
345
342

Tuesday 2

Waxing Gibbous 95%

14:47

05:22

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 OK
09 OK
10 OK
11 Good
12 Good
13 Good
14 OK
15 Bad
16 Bad

Sun - Rise: 06:57, Set: 16:12, Transit: 11:34. Moon - Rise: 14:47, Set: 05:22. Civil Dark: 16:43 - 06:25. Nautical Dark: 17:18 - 05:50. Astro Dark: 17:52 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
94
92
71
62
46
37
34
16
11
6
11
32
58
75

Low Clouds (% Sky Obscured)

100
91
100
100
100
100
95
97
94
84
90
81
67
60
43
37
34
16
11
1
1
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
18
12
11
30
8
5
0
0
0
0
0
0
0
0
1
8
59

High Clouds (% Sky Obscured)

100
100
100
0
0
5
1
0
0
0
0
0
0
0
0
0
0
0
0
1
5
20
30
50

ISS Passover

Visibility (miles)

1
1
0
0
1
4
1
0
0
0
8
8
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

98
98
98
61
62
52
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
82
95
95
64
26
5
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

4.9
4.2
2.3
0.8
2.5
1.5
0.3
0.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
16
15
15
18
22
20
17
16
15
14
14
13
13
13
12
11
10
9
8
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
93
94
94
96
96
91
89
80
75
74
71
66
61
59
57
55
53
54
60

Pressure (mb)

1005
1003
1001
1000
999
998
999
1000
1001
1003
1004
1006
1007
1009
1010
1012
1014
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

340
337
340
340
345
343
343
346
347
349
350
348
344
343
345
340
339
341
332
326
320
321
321
323

Wednesday 3

Waxing Gibbous 99%

15:35

06:46

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
12 Bad
13 Bad
14 Bad
15 OK
16 OK

Sun - Rise: 06:58, Set: 16:12, Transit: 11:35. Moon - Rise: 15:35, Set: 06:46. Civil Dark: 16:43 - 06:26. Nautical Dark: 17:18 - 05:51. Astro Dark: 17:52 - 05:17

Total Clouds (% Sky Obscured)

89
100
83
93
98
98
99
100
91
96
93
95
96
98
99
99
100
100
100
100
78
49
18
16

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
1
1
0
1
27
7
7
30
61
50
44
44
37
8
16

Medium Clouds (% Sky Obscured)

87
87
57
83
98
95
82
23
16
17
36
79
92
98
99
84
100
100
100
100
78
49
18
0

High Clouds (% Sky Obscured)

75
100
82
70
55
70
85
100
91
94
91
90
89
87
78
69
60
40
20
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
8
13
17
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
71
74
77
75
73
70
69
67
67
70
66
65
66
65
65
64
61
59
63
68
69
71

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1009
1008
1008
1008
1009
1010

Ozone (du)

328
333
336
340
344
350
349
349
348
350
352
356
358
362
360
361
360
362
359
355
357
361
365
370

Thursday 4

Full Moon 100%

16:36

08:04

17 OK
18 Good
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 Good
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:59, Set: 16:12, Transit: 11:35. Moon - Rise: 16:36, Set: 08:04. Civil Dark: 16:43 - 06:27. Nautical Dark: 17:18 - 05:52. Astro Dark: 17:52 - 05:18

Total Clouds (% Sky Obscured)

13
7
0
0
0
0
2
2
0
0
0
0
0
0
10
19
29
40
48
55
55
57
66
82

Low Clouds (% Sky Obscured)

13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
17
16
17
19
20
20
19
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
20
31
23
16
14
25
66
82

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 (%)

13
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)

19
20
20
19
19
18
18
17
15
14
13
12
11
10
9
9
9
9
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-10
-12
-12
-13
-14
-15
-15
-16
-15
-14
-14
-14
-14
-13
-12
-13
-13
-12
-12
-12
-9
-8
-8

Dew Point (°C)

-5
-9
-14
-15
-18
-19
-18
-18
-18
-19
-19
-19
-19
-20
-20
-21
-22
-23
-22
-21
-19
-16
-13
-10

Relative Humidity (%)

67
58
45
44
40
40
44
45
46
45
45
44
43
40
40
35
30
26
28
29
30
37
45
53

Pressure (mb)

1012
1015
1017
1018
1019
1021
1022
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1026
1025
1024
1024
1024
1024

Ozone (du)

362
357
358
358
359
366
369
364
362
363
362
359
355
351
349
345
340
335
330
325
320
318
315
312

Friday 5

Waning Gibbous 97%

No Rise

09:10

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:59, Set: 16:12, Transit: 11:35. Moon - Rise: No Rise, Set: 09:10. Civil Dark: 16:43 - 06:28. Nautical Dark: 17:18 - 05:53. Astro Dark: 17:52 - 05:19

Total Clouds (% Sky Obscured)

91
100
96
92
88
91
95
99
99
97
94
94
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
22
44
66
44
22
0
9
17
26
35
45
54
56
60
63
63
65
69
62

Medium Clouds (% Sky Obscured)

71
97
86
70
44
27
15
4
0
4
4
13
24
41
70
90
100
100
100
87
80
82
87
91

High Clouds (% Sky Obscured)

91
100
92
84
77
85
92
99
99
84
49
37
67
100
100
100
100
94
88
82
88
94
100
75

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
1
1
0
2
2
1
11
12
10
22
24
23
34
38
35
40

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)

10
9
9
8
8
7
7
7
7
6
5
5
4
3
3
2
1
2
2
2
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-8
-7
-8
-9
-8
-8
-7
-7
-7
-8
-8
-6
-5
-5
-5
-5
-5
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

54
55
56
54
50
48
47
47
45
46
47
47
48
48
49
51
53
56
61
65
70
73
74
77

Pressure (mb)

1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1017
1017
1016
1014
1013
1013
1013
1013

Ozone (du)

310
307
304
305
305
305
304
302
300
300
299
299
296
293
290
289
289
288
285
282
279
278
277
276

Saturday 6

Waning Gibbous 92%

17:49

10:00

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
12 Bad

Sun - Rise: 07:00, Set: 16:11, Transit: 11:36. Moon - Rise: 17:49, Set: 10:00. Civil Dark: 16:43 - 06:29. Nautical Dark: 17:18 - 05:54. Astro Dark: 17:52 - 05:20

Total Clouds (% Sky Obscured)

100
100
99
99
98
98
99
99
100
95
89
92
95
95
95
90
90
85
80
80

Low Clouds (% Sky Obscured)

58
51
44
54
53
58
84
95
100
95
89
92
75
35
30
25
30
40
70
70

Medium Clouds (% Sky Obscured)

95
100
99
98
97
96
95
94
65
37
12
10
7
1
2
3
4
2
1
0

High Clouds (% Sky Obscured)

53
45
31
19
13
12
8
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
40
40
37
29
30
27
23
24
22
5
14
16
14
21
19
12
10
10
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-3
-2
-3
-2
-2
-2
-2
-3
-3
-3
-3
-2
-3
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

81
89
98
98
98
96
98
98
98
96
94
94
94
92
94
93
93
91
93
93

Pressure (mb)

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

Ozone (du)

276
277
277
279
281
283
286
288
291
288
285
282
280
278
275
276
277
277
277
276

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 30/11/25 17:30:20. Forecast: 30/11/25 to 06/12/25. Timezone: UTC-5.00