Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 52%

10:47

03:14

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

Sun - Rise: 06:37, Set: 19:03, Transit: 12:50. Moon - Rise: 10:47, Set: 03:14. Civil Dark: 19:31 - 06:09. Nautical Dark: 20:04 - 05:36. Astro Dark: 20:38 - 05:02

Total Clouds (% Sky Obscured)

59
34
18
83
87
100
76
100
100
87
61
23
52
53
97
43
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
35
0
0
0
5
25
0
48
38
32
38

Medium Clouds (% Sky Obscured)

4
0
0
16
21
33
26
61
60
55
33
15
35
5
65
38
61
100
100
100
100
100
95
91

High Clouds (% Sky Obscured)

26
28
18
51
45
100
72
100
100
78
61
7
49
24
94
40
100
100
100
82
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
22
16
10
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
62
61
55
47
43
37
33
31
29
27
27
32
43
51
59
63
64
66
66
67
66
65

Pressure (mb)

1026
1027
1027
1028
1028
1029
1029
1028
1028
1027
1027
1026
1025
1025
1025
1025
1025
1025
1025
1024
1023
1022
1021
1020

Ozone (du)

408
416
420
425
429
433
436
431
430
425
414
409
405
400
393
392
392
388
386
388
386
380
377
377

Thursday 26

Waxing Gibbous 64%

11:58

03:58

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:35, Set: 19:04, Transit: 12:49. Moon - Rise: 11:58, Set: 03:58. Civil Dark: 19:32 - 06:07. Nautical Dark: 20:05 - 05:34. Astro Dark: 20:39 - 05:00

Total Clouds (% Sky Obscured)

100
100
98
100
98
95
100
50
100
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
51
67
66
53
52
61
45
44
8
2
1
0
0
1
47
64
80
88
81
80
66
82
100

Medium Clouds (% Sky Obscured)

97
88
94
77
46
34
40
35
50
81
100
90
98
100
100
100
100
100
100
97
75
100
100
88

High Clouds (% Sky Obscured)

100
100
54
40
60
6
62
50
99
100
100
85
100
100
100
100
100
94
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
5
9
9
9
9
9
9
4

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

Precipitation Probability (%)

32
36
51
30
14
7
5
3
3
3
0
13
37
10
14
95
95
95
95
84
64
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.8
1.7
0.8
1.5
0.4
0.5
1.2
0.4
0.5

Wind Speed/Direction (mph)

14
14
15
15
18
17
17
18
17
15
15
14
13
12
12
11
10
10
11
14
16
16
16
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
2
4
5
6
6
6
8
6
7
7
7
9
10
9
9
9
8
7
7
7
7
8
10

Relative Humidity (%)

68
78
82
85
84
84
77
77
62
68
62
60
65
71
74
79
85
87
84
84
81
84
85
91

Pressure (mb)

1018
1017
1016
1016
1015
1014
1013
1012
1012
1011
1011
1009
1009
1009
1009
1008
1008
1007
1006
1005
1004
1003
1002
1001

Ozone (du)

378
378
375
372
372
369
360
356
351
349
347
341
338
333
330
330
329
326
317
313
312
307
303
295

Friday 27

Waxing Gibbous 74%

13:13

03:58

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 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:33, Set: 19:05, Transit: 12:49. Moon - Rise: 13:13, Set: 03:58. Civil Dark: 19:33 - 06:05. Nautical Dark: 20:06 - 05:32. Astro Dark: 20:40 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
99
66
54
99
91
35
4
0
6
0
0
9
65
66
64

Low Clouds (% Sky Obscured)

100
100
100
100
91
73
53
45
21
5
2
2
2
0
0
0
0
0
0
0
3
45
40
40

Medium Clouds (% Sky Obscured)

100
95
97
100
33
33
26
66
78
99
66
54
96
91
35
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
39
25
5
8
96
87
0
0
0
6
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
1
1
1
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
59
62
50
36
22
8
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
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
5
3
4
8
13
12
13
12
13
13
14
14
13
12
11
11
11
12
10
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
95
96
95
81
73
69
63
51
46
40
36
35
34
34
35
36
38
40
44
50
56
56

Pressure (mb)

1002
1003
1004
1005
1007
1009
1011
1012
1013
1014
1015
1015
1016
1017
1018
1020
1021
1022
1022
1023
1023
1024
1025
1025

Ozone (du)

292
293
292
292
290
286
282
282
283
286
288
294
294
294
298
300
301
301
300
302
305
308
310
310

Saturday 28

Waxing Gibbous 83%

14:28

04:32

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 OK
20 Bad
21 OK
22 Bad
23 OK
00 OK
01 OK
02 Good
03 Good

Sun - Rise: 06:32, Set: 19:06, Transit: 12:49. Moon - Rise: 14:28, Set: 04:32. Civil Dark: 19:34 - 06:03. Nautical Dark: 20:07 - 05:30. Astro Dark: 20:42 - 04:56

Total Clouds (% Sky Obscured)

61
69
79
85
89
94
100
88
72
56
69
84
99
69
46
18
49
42
58
42
21
29
16
18

Low Clouds (% Sky Obscured)

31
44
55
71
82
90
100
86
72
56
56
51
43
39
37
18
49
34
51
22
10
29
7
3

Medium Clouds (% Sky Obscured)

0
0
0
58
37
4
4
9
39
2
15
70
99
69
46
2
5
9
9
6
3
0
1
4

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
7
4
4
5
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
2
3
10
15
11
16
12
11
10
8
9
15
14
13
18
7
3
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-10
-10
-9
-10
-11
-13
-15
-17
-17
-17
-17
-17
-17
-14
-15
-15
-15
-14
-13
-13
-13
-13

Relative Humidity (%)

55
54
55
57
59
56
51
42
35
30
28
28
28
26
28
37
33
32
33
36
38
39
40
39

Pressure (mb)

1025
1026
1026
1027
1028
1028
1029
1029
1029
1028
1028
1028
1028
1028
1029
1029
1030
1031
1031
1031
1031
1032
1032
1032

Ozone (du)

312
315
324
342
355
363
374
384
392
397
401
401
403
411
420
436
456
481
490
491
490
491
498
507

Sunday 29

Waxing Gibbous 91%

15:40

04:59

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

Sun - Rise: 06:30, Set: 19:07, Transit: 12:48. Moon - Rise: 15:40, Set: 04:59. Civil Dark: 19:35 - 06:02. Nautical Dark: 20:09 - 05:28. Astro Dark: 20:43 - 04:54

Total Clouds (% Sky Obscured)

24
16
8
0
9
19
26
20
14
8
23
41
54
34
24
15
18
25
28
42
55
62
71
77

Low Clouds (% Sky Obscured)

1
1
0
0
9
19
26
20
14
8
23
41
54
34
24
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
9
5
0
0
0
0
0
0
0
8
15
23
31
24
15
18
25
28
42
55
62
71
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
16
24
15
18
25
28
30
30
11
38
63

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)

8
10
10
9
10
9
10
10
10
9
9
8
8
8
7
6
7
7
8
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-12
-13
-13
-14
-14
-15
-15
-15
-14
-13
-13
-12
-11
-10
-9
-10
-10
-10
-10
-10
-9
-8

Relative Humidity (%)

48
52
45
43
41
36
32
28
26
23
23
23
23
25
27
31
36
36
38
40
41
42
43
47

Pressure (mb)

1033
1033
1034
1034
1035
1035
1035
1035
1035
1034
1034
1033
1032
1032
1032
1033
1033
1033
1033
1032
1032
1032
1031
1030

Ozone (du)

504
496
487
476
465
459
454
449
449
449
448
446
442
440
433
424
418
412
406
400
398
396
394
394

Monday 30

Waxing Gibbous 96%

16:50

05:22

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:28, Set: 19:08, Transit: 12:48. Moon - Rise: 16:50, Set: 05:22. Civil Dark: 19:36 - 06:00. Nautical Dark: 20:10 - 05:26. Astro Dark: 20:45 - 04:52

Total Clouds (% Sky Obscured)

78
83
91
100
100
100
100
100
100
100
100
100
98
92
86
72
66
62
55
61
73
90
90
88

Low Clouds (% Sky Obscured)

0
19
37
56
44
31
19
13
6
0
0
0
0
0
0
0
0
0
0
6
16
25
27
32

Medium Clouds (% Sky Obscured)

78
83
91
98
92
83
70
78
89
100
100
100
98
88
75
63
47
25
3
9
14
44
57
51

High Clouds (% Sky Obscured)

68
72
81
94
96
98
100
100
100
100
100
90
50
5
0
0
5
10
15
25
34
43
60
76

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
2
3
21
27
33
31
26
12
15
15
8
9
6
2
1
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
9
10
11
12
13
14
16
16
17
18
18
18
17
17
16
15
13
12
11
10
10
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
55
62
70
76
67
58
51
52
53
54
59
66
72
74
77
78
81
82
85
87
90
90
91

Pressure (mb)

1030
1029
1028
1027
1026
1025
1024
1023
1022
1020
1019
1018
1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018

Ozone (du)

393
392
391
391
390
388
386
384
381
378
375
373
370
368
368
368
368
368
369
369
369
370
370
368

Tuesday 31

Waxing Gibbous 99%

17:57

05:42

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:26, Set: 19:09, Transit: 12:48. Moon - Rise: 17:57, Set: 05:42. Civil Dark: 19:38 - 05:58. Nautical Dark: 20:11 - 05:25. Astro Dark: 20:46 - 04:50

Total Clouds (% Sky Obscured)

85
78
73
69
78
89
100
100
99
97
100
97
96
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
34
31
25
18
14
8
24
56
86
94
97
96
98
92
94
90
85
83
90
98
100

Medium Clouds (% Sky Obscured)

41
29
15
2
1
1
0
2
3
5
18
25
30
52
76
92
90
93
96
98
99
100

High Clouds (% Sky Obscured)

85
72
68
56
71
86
97
73
41
5
13
26
39
38
37
36
57
79
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
5
2
0
0
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
1
2
3
4
5
6
4
20
32
42
74
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.9
1.2
1.4
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
91
91
81
73
65
63
62
60
64
68
73
77
82
87
90
93
96
96
96

Pressure (mb)

1018
1018
1019
1020
1021
1021
1021
1022
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

367
366
365
365
364
364
364
364
365
365
365
364
363
362
361
361
360
359
358
357
356
356

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

Generated: 25/03/26 04:20:33. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00