Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 2%

08:19

16:07

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

Sun - Rise: 06:43, Set: 16:18, Transit: 11:30. Moon - Rise: 08:19, Set: 16:07. Civil Dark: 16:48 - 06:13. Nautical Dark: 17:22 - 05:38. Astro Dark: 17:56 - 05:05

Total Clouds (% Sky Obscured)

83
85
86
70
50
46
44
38
46
24
3
5
48
98
100
100
63
40
45
90
100
100
100
97

Low Clouds (% Sky Obscured)

77
75
71
70
50
46
44
38
46
24
0
0
0
0
0
0
0
0
0
78
96
97
93
80

Medium Clouds (% Sky Obscured)

73
68
7
18
14
9
6
3
2
0
0
0
0
0
0
44
21
0
0
0
13
0
1
9

High Clouds (% Sky Obscured)

49
73
3
13
2
0
0
0
0
0
1
1
29
97
100
100
17
25
30
30
25
35
40
60

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
40
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
64
66
70
73
76
77
79
80
82
82
80
79
74
71
67
65
61
57
55
55
56
58

Pressure (mb)

1023
1023
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1016
1015

Ozone (du)

285
285
286
285
288
290
291
292
290
292
292
294
293
292
289
287
287
289
294
295
294
294
294
292

Friday 21

Waxing Crescent 6%

09:15

16:47

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
12 Bad
13 Bad

Sun - Rise: 06:45, Set: 16:17, Transit: 11:30. Moon - Rise: 09:15, Set: 16:47. Civil Dark: 16:48 - 06:14. Nautical Dark: 17:22 - 05:39. Astro Dark: 17:55 - 05:06

Total Clouds (% Sky Obscured)

91
97
95
96
97
88
62
63
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
99

Low Clouds (% Sky Obscured)

48
80
81
54
79
69
36
46
46
56
48
61
52
25
25
15
20
20
15
25
30
49
76
41

Medium Clouds (% Sky Obscured)

18
16
14
37
14
0
0
2
42
80
85
80
73
67
100
100
100
100
100
100
98
95
95
97

High Clouds (% Sky Obscured)

57
40
9
40
35
35
25
10
100
100
100
100
100
100
100
84
35
55
30
13
20
4
7
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
4
3
2
4
4
2
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
57
95
93
95
95
85
75
80
37
11
13
3
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.6
1.2
0.8
0.4
0.3
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
4
4
4
5
4
5
4

Dew Point (°C)

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

Relative Humidity (%)

62
68
75
74
75
79
82
84
84
84
85
91
96
98
98
100
98
96
96
87
81
71
64
59

Pressure (mb)

1014
1014
1013
1013
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

292
292
290
286
284
286
284
287
285
284
284
284
284
287
285
284
283
282
282
280
278
278
277
279

Saturday 22

Waxing Crescent 5%

10:05

17:37

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

Sun - Rise: 06:46, Set: 16:16, Transit: 11:31. Moon - Rise: 10:05, Set: 17:37. Civil Dark: 16:47 - 06:15. Nautical Dark: 17:21 - 05:40. Astro Dark: 17:55 - 05:07

Total Clouds (% Sky Obscured)

67
77
79
38
43
45
18
8
3
13
9
0
3
19
42
25
79
100
100
100
100
100
49
50

Low Clouds (% Sky Obscured)

34
35
58
38
43
45
18
7
3
11
9
0
0
0
0
0
0
0
0
0
3
7
10
18

Medium Clouds (% Sky Obscured)

44
55
37
2
4
0
0
0
0
0
0
0
0
6
3
13
24
100
100
100
100
100
25
26

High Clouds (% Sky Obscured)

0
0
3
0
0
0
0
0
0
0
0
0
0
7
42
12
21
54
60
75
57
28
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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)

11
10
10
10
10
10
10
10
9
9
9
8
8
7
7
6
5
5
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
52
49
47
47
50
52
51
49
51
53
56
57
60
63
64
64
65
61
56
50
45
41
37

Pressure (mb)

1011
1011
1011
1012
1013
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1017
1016
1015

Ozone (du)

281
281
280
279
280
281
284
284
285
285
287
289
289
293
295
297
299
300
304
307
310
312
314
314

Sunday 23

Waxing Crescent 11%

10:46

18:34

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

Sun - Rise: 06:47, Set: 16:16, Transit: 11:31. Moon - Rise: 10:46, Set: 18:34. Civil Dark: 16:46 - 06:16. Nautical Dark: 17:21 - 05:41. Astro Dark: 17:55 - 05:08

Total Clouds (% Sky Obscured)

85
93
93
91
76
87
79
79
62
38
21
35
36
4
11
17
29
39
55
71
74
78
86
67

Low Clouds (% Sky Obscured)

28
44
54
36
28
44
41
51
43
28
19
35
31
2
7
8
20
22
22
23
41
60
78
67

Medium Clouds (% Sky Obscured)

77
93
93
90
41
82
36
36
15
5
0
0
0
0
1
2
4
6
11
28
28
20
15
12

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)

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 (%)

6
7
10
13
15
27
32
36
29
21
4
3
2
0
0
0
0
0
0
0
4
5
0
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
38
40
43
48
50
54
57
62
65
68
71
72
76
79
79
80
82
75
71
57
47
43
41

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

313
313
312
312
312
313
312
311
312
313
313
313
312
311
311
310
311
310
310
307
307
305
303
300

Monday 24

Waxing Crescent 18%

11:20

19:38

14 Bad
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 OK
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

Sun - Rise: 06:48, Set: 16:15, Transit: 11:31. Moon - Rise: 11:20, Set: 19:38. Civil Dark: 16:46 - 06:17. Nautical Dark: 17:21 - 05:42. Astro Dark: 17:54 - 05:09

Total Clouds (% Sky Obscured)

55
36
41
44
76
65
53
45
65
75
80
67
68
82
91
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
36
41
44
63
42
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10

Medium Clouds (% Sky Obscured)

8
0
0
0
0
0
0
0
0
0
1
8
21
31
56
78
91
94
97
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
5
5
0
0
5
5
5
38
68
82
91
95
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
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 (%)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
11

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)

12
11
10
9
7
6
6
6
5
5
5
5
3
2
2
1
2
3
3
4
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
41
45
47
51
54
56
57
57
58
59
60
60
60
61
58
58
58
55
52
50
52
54
56

Pressure (mb)

1020
1020
1021
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025

Ozone (du)

298
297
293
291
291
288
287
286
284
283
280
277
278
278
278
279
281
282
282
283
284
283
282
281

Tuesday 25

Waxing Crescent 26%

11:48

20:45

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
12 Bad
13 Bad

Sun - Rise: 06:49, Set: 16:15, Transit: 11:32. Moon - Rise: 11:48, Set: 20:45. Civil Dark: 16:46 - 06:18. Nautical Dark: 17:20 - 05:43. Astro Dark: 17:54 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
34
42
53
63
74
85
96
97
99
100
100
100
100
100
99
98
98
99
99
87
76
64
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
88
64
42
32
16
4
2
1
0
0
0
0
16
32
48
65

High Clouds (% Sky Obscured)

100
100
100
100
100
67
33
0
0
0
0
0
0
0
0
0
2
9
19
31
55
76
70
70

ISS Passover

Visibility (miles)

8
7
6
6
6
5
5
4
3
3
2
2
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
35
60
76
93
95
95
95
95
95
95
82
55
10
12
11
7
9
8
2
2
1
1
42

Precipitation Amount (mm)

0
0
0.3
0.4
0.5
1.2
1.7
2.1
1.7
1.3
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
2
2
3
3
3
3
4
4
7
8
8
8
8
8
8
9
10
10
11
11

Dew Point (°C)

-1
0
1
2
3
4
5
6
7
8
9
10
10
10
10
9
9
9
9
10
10
11
11
12

Relative Humidity (%)

61
67
75
78
80
83
85
90
93
95
96
96
98
98
98
98
96
98
95
93
92
90
89
87

Pressure (mb)

1025
1024
1023
1023
1022
1021
1020
1019
1018
1017
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1014

Ozone (du)

280
278
277
277
276
276
277
278
279
277
276
274
273
272
271
270
268
267
267
266
266
265
264
263

Wednesday 26

Waxing Crescent 36%

12:12

21:53

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

Sun - Rise: 06:50, Set: 16:14, Transit: 11:32. Moon - Rise: 12:12, Set: 21:53. Civil Dark: 16:45 - 06:19. Nautical Dark: 17:20 - 05:44. Astro Dark: 17:53 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
98
98
99
99
93
86
79

Low Clouds (% Sky Obscured)

87
100
100
100
100
100
99
99
98
97
97
97
97
96
91
86
79

Medium Clouds (% Sky Obscured)

83
100
100
100
100
100
100
99
99
95
98
80
59
39
34
29
24

High Clouds (% Sky Obscured)

15
15
45
68
95
68
38
10
0
5
10
65
80
85
60
28
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

67
92
95
95
95
88
75
67
94
95
95
95
95
74
48
33
23

Precipitation Amount (mm)

0.3
0.7
0.9
0.8
0.7
0.5
0.3
0.2
0.5
0.9
1.4
1
1
0.2
0
0
0

Wind Speed/Direction (mph)

4
3
4
4
6
7
9
11
13
13
12
12
12
12
13
11
11

Chance of Frost

Temperature (°C)

13
13
12
13
13
13
13
13
14
14
14
14
14
14
14
13
11

Feels Like (°C)

13
13
12
12
12
12
11
11
11
11
11
11
12
11
11
12
12

Dew Point (°C)

12
12
12
12
13
13
12
13
13
13
13
13
13
13
13
10
7

Relative Humidity (%)

92
96
98
98
100
100
96
96
95
96
96
96
95
92
90
81
75

Pressure (mb)

1014
1013
1013
1013
1012
1012
1011
1010
1009
1008
1008
1007
1007
1006
1006
1006
1007

Ozone (du)

261
260
259
259
258
258
258
257
257
257
257
257
261
265
268
273
277

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

Generated: 20/11/25 14:14:03. Forecast: 20/11/25 to 26/11/25. Timezone: UTC-5.00