Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Full Moon 100%

19:03

06:22

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: 06:23, Set: 19:10, Transit: 12:48. Moon - Rise: 19:03, Set: 06:22. Civil Dark: 19:39 - 05:55. Nautical Dark: 20:12 - 05:21. Astro Dark: 20:47 - 04:46

Total Clouds (% Sky Obscured)

84
88
88
93
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

76
62
64
93
92
84
79
84
88
92
91
88
88
100
90
89
94
90
95
91
93
93
100
100

Medium Clouds (% Sky Obscured)

26
25
31
93
100
98
100
100
100
100
98
97
100
94
100
100
100
96
99
95
98
95
89
86

High Clouds (% Sky Obscured)

44
39
45
54
79
68
73
49
64
92
94
85
100
54
100
100
93
100
100
100
43
100
60
54

ISS Passover

Visibility (miles)

9
9
9
9
1
0
8
8
3
7
9
4
9
5
5
4
4
1
0
0
1
8
8
7

Fog (%)

0
0
0
0
0
17
72
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
67
74
78
82
95
95
95
95
95
86
94
95
95
95
95
95
93
67
52
61
52

Precipitation Amount (mm)

0
0
0
0.4
0
0.2
0.5
0.8
0.9
1
1
0.8
0.8
0.7
1.2
1.8
2.4
3.4
1.8
0.6
0.3
0
0
0.2

Wind Speed/Direction (mph)

8
8
8
10
11
13
12
10
10
10
9
8
10
13
11
11
11
12
12
12
12
12
11
13

Chance of Frost

Temperature (°C)

20
20
20
17
12
9
8
7
7
6
6
6
6
5
5
4
4
4
3
3
3
3
3
4

Feels Like (°C)

18
18
18
14
9
5
4
4
3
2
2
3
2
0
1
0
-0
-1
-2
-2
-2
-2
-2
-2

Dew Point (°C)

12
12
13
9
8
5
5
5
4
4
4
3
3
3
3
2
3
3
3
3
3
2
2
2

Relative Humidity (%)

61
61
62
56
80
77
84
84
84
84
83
83
85
88
86
86
91
94
96
96
96
94
91
91

Pressure (mb)

1016
1016
1017
1017
1020
1021
1023
1024
1025
1027
1028
1029
1028
1029
1029
1029
1029
1030
1031
1032
1032
1032
1034
1034

Ozone (du)

340
342
342
342
341
340
340
340
339
343
346
348
351
348
345
344
344
343
341
340
337
337
336
336

Thursday 2

Waning Gibbous 99%

20:09

06:43

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: 06:21, Set: 19:12, Transit: 12:47. Moon - Rise: 20:09, Set: 06:43. Civil Dark: 19:40 - 05:53. Nautical Dark: 20:14 - 05:19. Astro Dark: 20:49 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

83
94
90
97
70
45
50
46
35
35
41
41
10
13
11
20
39
38
53
45
52
9
0
0

High Clouds (% Sky Obscured)

100
100
84
37
40
13
34
6
12
5
3
30
78
20
64
61
100
100
100
100
100
100
100
61

ISS Passover

Visibility (miles)

7
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 (%)

28
22
4
4
21
6
13
19
2
1
1
1
12
2
2
13
5
24
20
14
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
83
79
79
80
83
86
86
86
85
86
88
89
88
91
91
93
94
94
94
93
93
93

Pressure (mb)

1034
1034
1034
1034
1033
1033
1034
1034
1034
1034
1034
1033
1033
1032
1032
1031
1030
1030
1029
1029
1028
1028
1027
1026

Ozone (du)

336
337
338
335
333
332
330
331
328
330
330
330
329
326
324
323
322
322
323
322
322
323
323
324

Friday 3

Waning Gibbous 95%

21:15

07:07

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

Sun - Rise: 06:20, Set: 19:13, Transit: 12:47. Moon - Rise: 21:15, Set: 07:07. Civil Dark: 19:41 - 05:51. Nautical Dark: 20:15 - 05:17. Astro Dark: 20:50 - 04:42

Total Clouds (% Sky Obscured)

100
95
93
83
56
29
36
37
52
64
100
92
93
83
42
72
66
73
63
77
25
31
6
14

Low Clouds (% Sky Obscured)

100
80
47
26
21
26
36
37
52
51
46
43
38
37
35
37
34
26
21
0
0
0
0
12

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

92
66
61
32
23
11
11
1
0
64
100
39
47
66
4
11
4
13
6
62
25
25
3
10

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)

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

Chance of Frost

Temperature (°C)

9
11
13
15
16
17
16
15
14
13
13
13
13
14
14
14
13
13
13
12
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
77
73
69
69
72
75
78
80
82
83
86
89
92
95
95
83
76
79
69
62
55
60

Pressure (mb)

1025
1023
1022
1020
1019
1018
1018
1018
1018
1019
1018
1018
1018
1018
1017
1018
1018
1018
1019
1021
1022
1023
1024
1025

Ozone (du)

323
323
325
327
329
331
334
337
339
338
336
337
338
340
342
341
339
338
335
333
334
332
333
333

Saturday 4

Waning Gibbous 90%

22:21

07:36

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: 06:18, Set: 19:14, Transit: 12:47. Moon - Rise: 22:21, Set: 07:36. Civil Dark: 19:42 - 05:49. Nautical Dark: 20:16 - 05:15. Astro Dark: 20:52 - 04:40

Total Clouds (% Sky Obscured)

66
85
89
94
100
100
86
100
98
100
100
100
100
100
100
100
100
100
100
100
98
96
93
87

Low Clouds (% Sky Obscured)

29
42
55
57
53
62
71
81
93
100
100
100
100
100
100
100
100
100
100
100
95
89
84
71

Medium Clouds (% Sky Obscured)

0
0
5
15
24
60
43
50
43
40
37
22
14
8
8
94
9
6
3
0
2
5
17
23

High Clouds (% Sky Obscured)

30
40
57
77
99
88
77
67
53
39
25
17
9
2
10
19
27
42
56
71
62
52
43
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
8
0
0
0
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
4
2
5
6
4
27
29
20
39
43
24
14
19
12
5
4
3
27

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
12
13
13
13
13
12
12
11
10
9
9
8
8
7
6
7
4
4
3
5
10
13
16

Chance of Frost

Temperature (°C)

11
11
10
9
8
6
6
5
4
4
4
4
5
5
5
5
6
6
6
7
8
10
12
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
62
64
62
65
64
67
73
77
79
79
80
83
86
88
90
91
94
96
98
98
98
93
89

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1024
1023
1022
1020
1019
1017
1016
1014
1013
1012
1011
1010

Ozone (du)

334
330
329
332
334
334
335
337
338
337
337
335
335
332
331
329
330
331
331
328
330
330
329
328

Sunday 5

Waning Gibbous 84%

23:25

08:10

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 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad

Sun - Rise: 06:16, Set: 19:15, Transit: 12:46. Moon - Rise: 23:25, Set: 08:10. Civil Dark: 19:43 - 05:48. Nautical Dark: 20:18 - 05:13. Astro Dark: 20:53 - 04:38

Total Clouds (% Sky Obscured)

80
73
83
91
100
100
100
100
100
100
100
100
100
100
86
71
47
36
28
15
25
30
40
59

Low Clouds (% Sky Obscured)

57
45
44
45
40
50
61
71
73
75
76
75
75
77
61
68
47
36
28
15
25
23
0
9

Medium Clouds (% Sky Obscured)

73
70
76
82
96
98
99
100
100
100
100
60
59
79
65
50
47
36
20
15
7
0
0
0

High Clouds (% Sky Obscured)

24
15
43
72
100
100
100
100
100
100
100
100
100
99
83
44
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
2
3
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

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

Precipitation Probability (%)

81
95
68
65
77
87
87
79
85
79
64
45
30
8
39
28
13
14
9
1
0
0
0
0

Precipitation Amount (mm)

0.3
1.2
0.2
0.2
0.3
0.4
0.4
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
17
15
14
13
12
10
9
7
6
6
8
9
7
7
8
10
10
11
12
13
14

Chance of Frost

Temperature (°C)

15
15
16
16
15
15
14
13
12
11
11
10
10
10
9
8
7
7
7
7
7
7
7
7

Feels Like (°C)

11
12
12
12
12
11
10
10
10
8
8
8
8
6
4
4
4
4
4
4
4
2
2
1

Dew Point (°C)

13
14
15
14
13
12
12
11
10
7
7
7
7
6
3
2
0
-1
-1
-1
-1
-3
-4
-5

Relative Humidity (%)

90
93
93
92
86
84
89
89
84
77
78
80
81
77
67
64
62
59
58
58
58
51
47
42

Pressure (mb)

1009
1007
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

327
326
327
328
332
333
333
334
333
335
336
336
338
341
343
347
351
356
362
368
374
380
385
391

Monday 6

Waning Gibbous 76%

00:26

08:52

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

Sun - Rise: 06:15, Set: 19:16, Transit: 12:46. Moon - Rise: 00:26, Set: 08:52. Civil Dark: 19:45 - 05:46. Nautical Dark: 20:19 - 05:12. Astro Dark: 20:54 - 04:36

Total Clouds (% Sky Obscured)

76
89
79
78
74
71
72
68
51
30
13
9
5
1
17
24
30
36
37
33
19
15
14
42

Low Clouds (% Sky Obscured)

18
30
32
37
44
48
54
60
40
20
0
0
0
0
17
24
30
36
37
33
19
15
14
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
0
0
0
0
1
1
0
5
3
5
0
0
0
0
0
0
0

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
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
3
3
2
3
3
2
1
1
0
2
4
5
15
21
25
34
37
38
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
40
38
38
39
39
42
45
48
52
55
58
59
61
62
63
64
65
63
61
58
50
43
39

Pressure (mb)

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

Ozone (du)

395
398
402
402
402
402
401
401
400
398
395
393
392
390
389
386
382
378
379
380
381
383
385
388

Tuesday 7

Waning Gibbous 67%

01:21

09:43

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 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good

Sun - Rise: 06:13, Set: 19:17, Transit: 12:46. Moon - Rise: 01:21, Set: 09:43. Civil Dark: 19:46 - 05:44. Nautical Dark: 20:20 - 05:10. Astro Dark: 20:56 - 04:34

Total Clouds (% Sky Obscured)

71
99
99
100
100
100
100
100
89
77
62
44
25
6
4
2
0
0
0
0

Low Clouds (% Sky Obscured)

67
95
99
100
100
100
100
100
88
72
60
39
21
4
3
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
34
67
100
100
100
100
67
34
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

7
5
3
2
1
0
2
3
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

34
29
36
43
49
47
45
42
32
21
3
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-4
-2
-1
1
-0
-2
-3
-5
-8
-11
-12
-14
-16
-16
-16
-16
-16
-16

Relative Humidity (%)

42
47
51
62
75
91
82
72
65
56
47
39
37
33
31
31
32
32
33
33

Pressure (mb)

1021
1021
1021
1021
1022
1022
1023
1024
1026
1027
1028
1029
1030
1030
1031
1032
1033
1034
1035
1036

Ozone (du)

388
389
390
393
395
398
402
405
409
415
421
427
432
437
442
447
453
459
455
450

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

Generated: 01/04/26 12:31:42. Forecast: 01/04/26 to 07/04/26. Timezone: UTC-4.00