Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 18

New Moon 1%

06:55

18:44

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

Sun - Rise: 06:47, Set: 18:55, Transit: 12:51. Moon - Rise: 06:55, Set: 18:44. Civil Dark: 19:22 - 06:19. Nautical Dark: 19:55 - 05:47. Astro Dark: 20:29 - 05:13

Total Clouds (% Sky Obscured)

76
66
66
57
7
4
4
0
3
4
11
34
69
39
53
46
25
41
45
41
48
24
49
67

Low Clouds (% Sky Obscured)

14
17
8
25
0
0
0
0
0
0
0
0
15
27
28
26
0
0
13
31
19
0
18
31

Medium Clouds (% Sky Obscured)

58
62
16
12
4
3
3
0
3
3
6
14
66
20
41
28
25
41
43
30
34
23
17
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
19
65
6
4
11
1
1
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-21
-20
-17
-13
-12
-12
-12
-11
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-11
-12
-11
-10
-8
-6

Relative Humidity (%)

17
19
24
37
41
43
45
47
46
48
47
47
47
47
46
48
45
43
40
36
34
34
35
39

Pressure (mb)

1029
1029
1030
1030
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1027
1026
1024
1023

Ozone (du)

424
421
417
414
413
410
408
404
400
397
395
393
392
389
388
388
391
392
394
394
395
397
400
400

Thursday 19

Waxing Crescent 4%

07:18

19:58

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

Sun - Rise: 06:45, Set: 18:56, Transit: 12:51. Moon - Rise: 07:18, Set: 19:58. Civil Dark: 19:24 - 06:18. Nautical Dark: 19:56 - 05:45. Astro Dark: 20:30 - 05:11

Total Clouds (% Sky Obscured)

81
69
45
37
36
38
37
23
24
10
4
3
23
42
17
55
40
18
12
25
25
62
79
59

Low Clouds (% Sky Obscured)

57
65
32
6
20
19
0
0
1
10
1
1
23
9
17
1
1
1
1
15
24
20
31
16

Medium Clouds (% Sky Obscured)

19
14
27
27
26
28
22
14
21
4
0
0
0
32
0
55
4
3
6
20
2
6
76
54

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
24
10
2
2
8
31
8
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
46
54
61
67
68
68
65
69
67
66
69
73
77
81
84
80
73
62
52
44
37
33
37

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1020
1019
1017
1016
1015

Ozone (du)

402
406
406
403
405
407
408
410
410
412
413
410
410
409
410
408
406
403
402
402
400
399
399
401

Friday 20

Waxing Crescent 10%

07:44

21:15

16 OK
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

Sun - Rise: 06:44, Set: 18:57, Transit: 12:51. Moon - Rise: 07:44, Set: 21:15. Civil Dark: 19:25 - 06:16. Nautical Dark: 19:58 - 05:43. Astro Dark: 20:31 - 05:09

Total Clouds (% Sky Obscured)

36
62
61
84
100
84
83
67
56
50
56
80
56
74
70
56
30
45
57
63
85
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
9
30
39
62
42
34
25
25
76
56
74
70
52
30
40
40
35
58
55
52
53

Medium Clouds (% Sky Obscured)

25
32
41
46
27
56
70
50
55
50
56
80
56
74
70
56
30
45
57
63
85
100
100
100

High Clouds (% Sky Obscured)

0
23
61
84
100
0
0
5
5
5
5
5
10
10
5
5
5
5
5
5
7
18
24
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
5
2
4
2
4
5
4
4
0
3
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
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
1
38
56
20
2
6
14
25
45
64
84
84
91
83
71
69
62
40
20
7
3
3
1

Precipitation Amount (mm)

0
0
0
0.3
0
0
0
0
0
0
0
0.3
0.4
0.5
0.4
0.2
0.2
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
9
7
6
6
6
6
6
6
6
5
5
6
6
6
6
6
6
6
6
6
5
5

Feels Like (°C)

8
8
5
4
2
1
1
1
1
1
1
2
2
3
3
3
4
4
3
2
3
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

38
43
56
66
74
76
76
75
72
74
76
82
88
91
94
96
98
98
98
96
94
90
90
89

Pressure (mb)

1014
1013
1012
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1014
1015
1014
1014

Ozone (du)

401
401
400
401
396
394
393
391
390
390
392
393
391
391
391
393
394
393
394
394
395
396
397
398

Saturday 21

Waxing Crescent 18%

08:15

22:34

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
14 Bad
15 Bad

Sun - Rise: 06:42, Set: 18:58, Transit: 12:51. Moon - Rise: 08:15, Set: 22:34. Civil Dark: 19:26 - 06:14. Nautical Dark: 19:59 - 05:41. Astro Dark: 20:33 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
78
85
95
98
99
99
100
100
100
100
100
100
100
100
100
100
98
97
95
96
95

Low Clouds (% Sky Obscured)

48
65
81
78
85
91
89
93
96
100
97
100
98
99
98
100
79
78
75
90
71
91
81
72

Medium Clouds (% Sky Obscured)

100
15
15
15
19
19
23
26
92
91
95
97
92
85
100
83
100
100
65
97
9
5
5
31

High Clouds (% Sky Obscured)

7
33
59
78
73
53
29
20
10
0
31
62
93
62
31
0
33
67
100
67
33
0
23
47

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

Precipitation Probability (%)

1
3
4
2
28
41
49
44
39
34
19
11
3
11
14
18
42
58
65
51
34
3
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
88
89
91
91
91
91
89
93
93
93
96
94
94
94
94
91
85
74
64
61
68
71

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010
1009
1010
1010

Ozone (du)

398
394
385
377
376
376
377
379
376
377
374
370
364
357
350
345
342
338
340
340
339
337
335
335

Sunday 22

Waxing Crescent 18%

08:55

23:54

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
14 Bad
15 Bad

Sun - Rise: 06:40, Set: 18:59, Transit: 12:50. Moon - Rise: 08:55, Set: 23:54. Civil Dark: 19:27 - 06:12. Nautical Dark: 20:00 - 05:39. Astro Dark: 20:34 - 05:05

Total Clouds (% Sky Obscured)

96
97
99
100
100
100
100
95
92
89
93
97
100
100
100
100
100
100
100
100
100
100
98
96

Low Clouds (% Sky Obscured)

63
62
63
65
55
47
35
25
11
0
21
45
65
77
88
100
97
94
90
90
91
91
89
87

Medium Clouds (% Sky Obscured)

51
93
66
91
95
88
83
88
90
89
77
95
100
100
100
100
98
97
96
85
78
75
74
68

High Clouds (% Sky Obscured)

70
80
90
100
100
100
100
69
41
12
41
69
100
100
100
100
100
100
100
80
48
12
6
5

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
4
0
0
0
0
0
0
0
0
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
Light Rain
Light Rain
Light Rain
Snow
Ice pellet
Ice pellet
Snow
Ice pellet
Ice pellet
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

3
0
11
23
45
53
76
76
81
84
84
73
83
95
95
95
95
95
95
95
95
66
56
45

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.4
0.5
0.5
0.5
0.3
0.4
0.8
1.1
1.7
3.1
2.4
1.5
1.1
0.7
0.3
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
71
73
78
81
81
86
94
96
98
96
98
98
100
98
98
98
98
96
89
84
78
78

Pressure (mb)

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

Ozone (du)

335
331
328
326
323
320
319
318
316
315
313
314
313
309
308
308
310
311
313
314
317
320
323
323

Monday 23

Waxing Crescent 29%

09:45

01:10

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:39, Set: 19:00, Transit: 12:50. Moon - Rise: 09:45, Set: 01:10. Civil Dark: 19:28 - 06:11. Nautical Dark: 20:01 - 05:37. Astro Dark: 20:35 - 05:04

Total Clouds (% Sky Obscured)

94
85
77
67
54
48
45
54
63
72
79
87
94
91
89
89
71
55
39
43
53
77
83
86

Low Clouds (% Sky Obscured)

85
85
77
67
54
48
45
54
63
72
79
87
92
86
80
74
54
33
12
17
25
34
26
23

Medium Clouds (% Sky Obscured)

62
62
66
65
50
35
15
5
4
4
0
5
5
14
21
31
36
23
0
0
0
3
3
2

High Clouds (% Sky Obscured)

0
4
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 (%)

28
28
26
17
31
30
20
28
29
29
26
25
21
20
18
15
13
9
1
2
5
7
7
6

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
9
8
8
8
8
9
9
11
12
12
12
12
12
12
12
12
11
11
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
76
77
80
83
86
84
81
77
77
77
77
74
71
71
67
64
60
56
54
51
51

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1023
1024
1024
1025
1026
1027
1027
1027
1027
1027

Ozone (du)

324
324
326
327
328
331
334
338
343
349
354
362
369
376
384
391
399
404
408
413
413
412
412
410

Tuesday 24

Waxing Crescent 40%

10:47

02:19

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Good
22 Good
23 OK
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: 06:37, Set: 19:01, Transit: 12:50. Moon - Rise: 10:47, Set: 02:19. Civil Dark: 19:29 - 06:09. Nautical Dark: 20:03 - 05:36. Astro Dark: 20:36 - 05:02

Total Clouds (% Sky Obscured)

90
74
54
32
26
18
10
38
66
89
99
93
93
87
79
70
63
58
51
69
85
99

Low Clouds (% Sky Obscured)

25
20
17
11
7
7
1
1
1
0
1
1
2
2
2
1
13
26
37
28
14
13

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
5
36
66
89
75
58
40
37
46
43
25
31
42
61
79
99

High Clouds (% Sky Obscured)

0
0
0
0
1
1
2
5
5
2
21
42
63
66
68
70
63
58
51
69
73
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

Fog (%)

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

Precipitation Probability (%)

0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-5
-5
-4
-4
-4
-5
-5
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-5

Relative Humidity (%)

49
48
52
57
63
65
67
70
70
70
71
71
70
71
69
65
62
56
51
45
45
44

Pressure (mb)

1027
1027
1028
1028
1028
1028
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026

Ozone (du)

408
407
405
403
402
404
405
407
413
418
424
434
443
453
458
462
467
468
469
470
467
464

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

Generated: 18/03/26 16:41:04. Forecast: 18/03/26 to 24/03/26. Timezone: UTC-4.00