Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 18

New Moon 0%

06:55

18:44

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

Sun - Rise: 06:47, Set: 18:55, Transit: 12:52. Moon - Rise: 06:55, Set: 18:44. Civil Dark: 19:23 - 06:19. Nautical Dark: 19:56 - 05:46. Astro Dark: 20:29 - 05:13

Total Clouds (% Sky Obscured)

62
73
79
78
73
42
8
42
9
21
4
3
22
25
81
85
55
47
56
59
45
66
58
71

Low 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
16

Medium Clouds (% Sky Obscured)

62
73
79
78
72
42
8
42
6
21
2
2
17
21
52
56
55
41
51
53
38
56
56
52

High Clouds (% Sky Obscured)

62
51
79
78
21
31
2
2
2
2
1
0
0
0
47
51
20
2
1
2
2
2
0
0

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-6
-5
-3
-3
-3
-2
-4
-4
-6
-6
-5
-6
-6
-7
-7
-7
-5
-6
-6
-5
-4
-2

Dew Point (°C)

-22
-23
-22
-21
-21
-21
-21
-20
-19
-17
-14
-13
-12
-12
-12
-12
-12
-11
-11
-11
-11
-11
-10
-11

Relative Humidity (%)

20
18
18
19
18
16
17
19
24
27
40
45
49
49
49
51
53
54
58
58
59
54
49
42

Pressure (mb)

1030
1030
1028
1028
1028
1029
1029
1029
1030
1030
1031
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

420
422
424
423
424
423
418
415
412
411
409
405
400
396
390
388
386
386
386
387
391
397
396
395

Thursday 19

Waxing Crescent 1%

07:17

19:59

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

Sun - Rise: 06:46, Set: 18:56, Transit: 12:52. Moon - Rise: 07:17, Set: 19:59. Civil Dark: 19:24 - 06:17. Nautical Dark: 19:57 - 05:44. Astro Dark: 20:31 - 05:11

Total Clouds (% Sky Obscured)

52
36
31
78
91
88
95
92
63
50
45
27
79
55
44
61
14
40
13
33
46
34
22
35

Low Clouds (% Sky Obscured)

11
6
21
31
62
72
71
67
63
50
31
15
40
44
44
52
14
20
9
33
1
0
1
1

Medium Clouds (% Sky Obscured)

41
30
25
27
49
42
55
60
60
42
33
15
26
26
13
0
0
4
5
7
23
12
10
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
4
7

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
1
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
7
8
8
9
8
7
6
5
7
8
8
7
7
6
5
5
5
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-10
-9
-8
-7
-6
-4
-4
-5
-5
-5
-5
-5
-5
-5
-4
-3
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

36
33
33
33
35
37
40
50
54
55
58
63
66
67
70
74
77
84
83
91
92
83
68
57

Pressure (mb)

1028
1027
1026
1024
1023
1022
1021
1021
1021
1022
1022
1022
1022
1021
1021
1020
1020
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

400
403
399
397
401
403
404
406
405
407
409
410
412
412
412
411
409
409
407
406
405
403
402
399

Friday 20

Waxing Crescent 4%

07:43

21:16

11 OK
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

Sun - Rise: 06:44, Set: 18:57, Transit: 12:51. Moon - Rise: 07:43, Set: 21:16. Civil Dark: 19:25 - 06:16. Nautical Dark: 19:58 - 05:43. Astro Dark: 20:32 - 05:09

Total Clouds (% Sky Obscured)

39
100
100
91
94
97
100
83
100
100
97
81
76
95
100
100
100
100
74
73
78
75
71
61

Low Clouds (% Sky Obscured)

1
0
26
32
37
35
47
56
77
66
61
65
66
69
91
100
57
71
49
52
59
47
30
10

Medium Clouds (% Sky Obscured)

12
100
99
77
84
52
26
62
58
100
97
81
76
89
97
100
100
100
74
73
70
68
71
61

High Clouds (% Sky Obscured)

30
100
100
91
94
97
100
83
100
100
16
25
33
82
100
100
100
100
38
25
30
25
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
1
2
2
2
1
0
0
0
5
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
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
8
41
38
32
26
33
69
95
95
95
95
95
95
81
71
58
16
6
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
3.2
1.8
1.1
1.9
0.9
0.6
0.4
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
43
40
37
33
35
44
53
64
68
75
82
94
96
96
96
98
98
98
96
98
96
96
96

Pressure (mb)

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

Ozone (du)

398
397
397
397
399
399
401
398
395
393
392
389
386
387
390
390
391
392
393
393
395
397
398
397

Saturday 21

Waxing Crescent 10%

08:14

22:35

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:42, Set: 18:58, Transit: 12:51. Moon - Rise: 08:14, Set: 22:35. Civil Dark: 19:26 - 06:14. Nautical Dark: 19:59 - 05:41. Astro Dark: 20:33 - 05:07

Total Clouds (% Sky Obscured)

69
70
67
66
62
57
69
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
27
38
43
48
47
55
57
56
47
34
25
47
63
81
90
92
88
94
95
96
97
99
100

Medium Clouds (% Sky Obscured)

69
70
38
0
0
0
10
20
30
25
20
21
100
100
100
100
80
100
100
100
100
97
74
80

High Clouds (% Sky Obscured)

5
10
5
0
0
0
33
67
100
100
100
100
100
100
98
71
41
15
34
57
80
54
27
0

ISS Passover

Visibility (miles)

0
0
6
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
Snow
Snow
Snow
Snow
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
1
7
0
0
1
0
1
0
0
1
0
10
13
11
43
59
71
71
72
69
69
70
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
91
87
90
88
90
90
93
93
94
94
94
94
96
96
98
96
98
96
96
93
89
78

Pressure (mb)

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

Ozone (du)

397
397
399
398
394
387
380
378
377
381
384
385
385
381
377
370
367
362
359
355
348
343
340
342

Sunday 22

Waxing Crescent 18%

08:53

23:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:40, Set: 18:59, Transit: 12:51. Moon - Rise: 08:53, Set: 23:55. Civil Dark: 19:27 - 06:12. Nautical Dark: 20:01 - 05:39. Astro Dark: 20:35 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
82
71
58
41
27
18
27
26
35
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
100
98
97
95
80
65
51
34
17
0
0
0
0
70
68
67
56
44
33
30
26
23

Medium Clouds (% Sky Obscured)

61
35
17
10
5
0
1
10
15
15
10
15
11
15
11
93
95
99
100
100
100
88
75
56

High Clouds (% Sky Obscured)

0
0
0
0
5
5
9
15
15
11
12
13
17
11
20
95
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
3
6
1
6
2
1
1
0
0
0
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
0
0

Precipitation Type

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

Precipitation Probability (%)

53
35
17
16
16
14
11
20
38
95
95
79
95
95
95
95
95
95
95
95
95
95
89
62

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0.7
1
0.3
1
0.9
0.5
0.8
0.9
0.9
0.9
0.9
0.9
0.8
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
63
62
65
78
82
85
83
86
91
96
94
96
93
94
94
98
98
98
98
98
98
96

Pressure (mb)

1008
1008
1008
1007
1008
1008
1009
1009
1010
1011
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1015
1015
1015
1016

Ozone (du)

340
341
337
334
333
331
326
322
321
318
317
314
312
313
313
311
310
309
308
308
309
309
310
311

Monday 23

Waxing Crescent 29%

09:44

01:12

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:39, Set: 19:00, Transit: 12:50. Moon - Rise: 09:44, Set: 01:12. Civil Dark: 19:29 - 06:10. Nautical Dark: 20:02 - 05:37. Astro Dark: 20:36 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
95
93
95
96
96
95
95
95
96
97
98
98
99
100

Low Clouds (% Sky Obscured)

33
44
54
65
77
88
91
93
96
94
92
90
89
88
87
84
80
77
84
92
98
98
96
95

Medium Clouds (% Sky Obscured)

36
18
5
5
5
9
19
24
30
40
40
40
40
41
37
23
19
10
25
45
66
77
89
100

High Clouds (% Sky Obscured)

78
57
42
66
82
100
67
33
0
0
0
0
33
63
95
70
70
70
70
70
60
47
25
0

ISS Passover

Visibility (miles)

0
0
0
0
1
2
2
2
1
0
3
6
9
9
9
9
9
9
9
9
9
9
8
6

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

Precipitation Probability (%)

58
51
41
45
50
53
56
58
52
54
60
58
66
67
62
58
52
43
40
34
17
18
17
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
94
93
89
93
94
98
96
96
94
94
92
92
92
89
87
87
87
86
80
74

Pressure (mb)

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

Ozone (du)

312
314
315
317
317
318
318
321
323
325
330
334
338
344
350
356
363
369
376
381
385
390
394
398

Tuesday 24

Waxing Crescent 40%

10:46

02:20

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

Sun - Rise: 06:37, Set: 19:02, Transit: 12:50. Moon - Rise: 10:46, Set: 02:20. Civil Dark: 19:30 - 06:09. Nautical Dark: 20:03 - 05:35. Astro Dark: 20:37 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
80
59
39
29
19
8
10
11
12
31
50
68
63
58
53

Low Clouds (% Sky Obscured)

94
98
99
100
100
100
79
58
37
27
16
6
6
6
6
6
6
6
19
31
44

Medium Clouds (% Sky Obscured)

87
75
62
42
22
2
1
0
0
0
1
2
3
4
5
25
45
66
55
44
33

High Clouds (% Sky Obscured)

1
1
5
2
1
0
0
0
0
0
0
0
0
0
0
2
2
1
1
2
3

ISS Passover

Visibility (miles)

5
4
2
1
1
1
1
4
7
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

Precipitation Type

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

Precipitation Probability (%)

17
23
27
33
39
41
36
33
20
14
5
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
66
66
69
70
74
78
83
89
89
87
89
87
87
86
84
82
79
78
75

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1025
1026
1026
1026
1027
1027
1027
1026
1026
1026
1026
1026
1027

Ozone (du)

402
406
410
414
412
411
410
411
413
415
411
406
402
403
404
405
407
408
410
425
440

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 18/03/26 11:40:43. Forecast: 18/03/26 to 24/03/26. Timezone: UTC-4.00