Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 27%

07:25

01:09

03 OK
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

Sun - Rise: 06:01, Set: 18:25, Transit: 12:13. Moon - Rise: 07:25, Set: 01:09. Civil Dark: 18:58 - 05:27. Nautical Dark: 19:38 - 04:48. Astro Dark: 20:20 - 04:06

Total Clouds (% Sky Obscured)

32
56
66
100
95
100
91
100
100
100
97
96
100
100
100
100
100
99
69
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
56
66
76
69
69
66
58
52
64
67
68
61
64
46
31
35
45
22
29
42
51
48
43

Medium Clouds (% Sky Obscured)

0
0
3
28
30
29
22
25
20
15
25
11
35
74
90
91
100
92
58
100
100
99
60
63

High Clouds (% Sky Obscured)

32
56
66
100
95
100
91
100
100
100
91
91
100
100
100
100
100
95
69
77
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
2
4
5
8
10
11
10
11
10
10
10
9
8
7
6
5
5
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
93
91
88
85
81
76
75
72
74
77
81
86
85
88
93
90
91
93
93
91

Pressure (mb)

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

Ozone (du)

368
364
361
359
358
356
357
356
356
354
354
351
350
348
346
345
344
344
342
341
339
339
339
337

Tuesday 24

Waxing Crescent 38%

08:05

02:23

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:58, Set: 18:27, Transit: 12:13. Moon - Rise: 08:05, Set: 02:23. Civil Dark: 19:00 - 05:25. Nautical Dark: 19:40 - 04:45. Astro Dark: 20:22 - 04:03

Total Clouds (% Sky Obscured)

100
100
98
99
98
100
100
100
100
100
100
99
100
75
78
100
97
100
100
74
83
65
74
72

Low Clouds (% Sky Obscured)

54
100
93
97
77
73
85
100
100
100
100
95
100
70
78
100
96
99
51
62
83
65
74
69

Medium Clouds (% Sky Obscured)

30
28
36
70
94
100
100
100
100
100
100
53
23
6
1
33
50
55
50
12
7
0
0
11

High Clouds (% Sky Obscured)

52
100
94
91
77
100
100
100
100
100
100
3
3
9
0
0
0
1
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
6
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
21
18
24
17
8
52
80
63
72
52
46
26
12
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
11
13
14
16
17
18
17
16
18
20
21
22
22
23
25
25
24
23
21
20
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
94
91
91
88
87
84
86
87
86
87
87
84
83
88
93
88
87
91
85
83
82

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1013
1011
1010
1009
1008
1007
1006
1005
1005
1005
1006
1006
1006

Ozone (du)

336
336
335
336
337
338
338
338
337
336
336
339
347
354
358
361
365
369
374
382
387
392
398
414

Wednesday 25

First Quarter 50%

09:02

No Set

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
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK

Sun - Rise: 05:56, Set: 18:28, Transit: 12:12. Moon - Rise: 09:02, Set: No Set. Civil Dark: 19:02 - 05:23. Nautical Dark: 19:42 - 04:43. Astro Dark: 20:24 - 04:01

Total Clouds (% Sky Obscured)

73
100
100
100
55
47
69
100
97
88
98
97
54
47
47
34
37
30
51
77
70
75
45
32

Low Clouds (% Sky Obscured)

61
60
93
55
55
47
37
48
45
60
37
22
20
46
37
34
36
30
25
29
50
42
37
30

Medium Clouds (% Sky Obscured)

73
100
96
40
0
0
10
53
69
62
90
97
46
18
23
0
4
3
17
32
19
12
5
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
3
15
1
1

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
2
6
5
9
8
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
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
34
44
22
1
4
42
55
60
56
43
40
28
16
5
12
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
17
19
17
18
20
21
21
22
22
23
22
22
21
19
17
15
13
12
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
80
79
75
71
71
71
66
69
69
69
69
70
70
68
73
77
85
91
79
74
76

Pressure (mb)

1007
1007
1008
1009
1010
1011
1011
1011
1012
1012
1012
1012
1013
1014
1014
1015
1016
1017
1018
1019
1019
1020
1020
1021

Ozone (du)

422
424
424
421
422
422
421
421
422
424
422
417
416
416
410
398
387
378
371
366
361
358
355
348

Thursday 26

Waxing Gibbous 61%

10:16

03:18

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

Sun - Rise: 05:54, Set: 18:30, Transit: 12:12. Moon - Rise: 10:16, Set: 03:18. Civil Dark: 19:03 - 05:20. Nautical Dark: 19:43 - 04:40. Astro Dark: 20:26 - 03:58

Total Clouds (% Sky Obscured)

31
34
37
36
66
63
62
79
80
57
43
40
39
78
76
77
84
91
88
87
85
88
90
92

Low Clouds (% Sky Obscured)

31
34
37
36
51
53
58
66
75
57
40
23
23
24
23
27
33
39
27
26
15
17
24
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
18
23
20
18
16
20
22
26
38
78
83
77
83
85
82
90
92

High Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
1
4
7
11
7
8
15
13
15
16
29
37
41
32
18
13

ISS Passover

Visibility (miles)

9
9
9
9
0
0
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
2
6
22
21
16
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8

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
8
10
12
13
12
13
15
17
17
16
15
14
12
11
9
7
5
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
78
78
88
94
82
65
55
51
50
50
51
53
59
64
65
61
62
63
63
59
64
68

Pressure (mb)

1021
1022
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024

Ozone (du)

345
339
337
335
331
330
329
326
322
319
315
314
313
312
311
311
310
311
313
316
317
318
318
318

Friday 27

Waxing Gibbous 72%

11:40

03:56

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:52, Set: 18:32, Transit: 12:12. Moon - Rise: 11:40, Set: 03:56. Civil Dark: 19:05 - 05:18. Nautical Dark: 19:45 - 04:38. Astro Dark: 20:28 - 03:55

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

50
63
79
79
80
78
79
81
84
85
86
87
83
78
73
88
87
86
91
95
100
98
97
95

Medium Clouds (% Sky Obscured)

73
85
51
64
73
82
68
66
67
84
81
83
76
53
47
36
57
79
86
93
99
98
98
99

High Clouds (% Sky Obscured)

47
75
86
58
33
4
21
42
58
60
69
80
72
57
47
64
74
97
69
40
10
38
67
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
12
11
11
11
5
14
19
28
26
29
35
29
32
28
44
50
51
50
52
57
61
68
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
83
86
88
91
93
93
93
91
85
82
85
80
85
88
93
95
95
98
98
98
98
100
98

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1020
1020
1020
1019
1019

Ozone (du)

318
320
322
322
321
319
319
319
319
319
317
317
318
319
320
320
323
325
327
329
331
333
334
335

Saturday 28

Waxing Gibbous 82%

13:05

04:22

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

Sun - Rise: 05:49, Set: 18:33, Transit: 12:11. Moon - Rise: 13:05, Set: 04:22. Civil Dark: 19:07 - 05:16. Nautical Dark: 19:47 - 04:35. Astro Dark: 20:30 - 03:53

Total Clouds (% Sky Obscured)

87
73
60
63
66
69
57
46
38
47
53
52
41
34
27
19
11
2
3
4
5
6
7
8

Low Clouds (% Sky Obscured)

84
72
60
63
66
68
54
38
22
22
24
27
27
27
27
18
9
0
2
3
5
3
2
0

Medium Clouds (% Sky Obscured)

79
58
41
30
18
1
27
46
38
47
31
20
8
4
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

58
25
0
7
8
6
7
4
0
0
0
0
0
0
0
0
1
1
2
1
2
2
3
4

ISS Passover

Visibility (miles)

0
3
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

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

Precipitation Probability (%)

78
72
60
48
33
4
4
4
1
5
9
10
16
18
16
10
4
0
0
1
2
1
1
0

Precipitation Amount (mm)

0.5
0.4
0.3
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
10
11
12
13
14
15
16
16
17
18
19
19
17
16
15
13
11
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
7
6
4
4
4
3
3
3
2
3
3
4
3
3
2
2
1
1
1
1
1
1
0

Relative Humidity (%)

98
96
93
91
88
85
81
74
69
62
63
63
63
67
70
74
76
82
85
88
88
89
89
89

Pressure (mb)

1019
1020
1021
1022
1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1027
1028
1028
1029
1030
1030
1031
1031
1031
1031

Ozone (du)

336
338
341
344
351
358
365
375
385
394
394
394
393
395
397
399
394
388
383
381
380
379
377
376

Sunday 29

Waxing Gibbous 90%

15:29

05:40

03 Good
04 OK
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

Sun - Rise: 06:47, Set: 19:35, Transit: 13:11. Moon - Rise: 15:29, Set: 05:40. Civil Dark: 20:09 - 06:13. Nautical Dark: 20:49 - 05:33. Astro Dark: 21:32 - 04:50

Total Clouds (% Sky Obscured)

8
30
51
67
61
61
60
72
85
99
93
87
79
83
86
91
93
95
96
96
97
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
29
43
57
63
75
61
47
33
28
27
35
56
74
92

Medium Clouds (% Sky Obscured)

1
3
5
4
6
8
13
24
27
35
35
38
38
42
45
45
53
57
61
63
52
48

High Clouds (% Sky Obscured)

4
21
37
49
36
25
15
43
71
99
93
87
79
73
52
31
22
18
15
20
25
30

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
0
0
0
0
0
0
0
0
0
15
25
32
27
23
22
25
22
11
9
6
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)

7
6
5
5
4
6
8
9
12
14
16
17
17
18
19
19
20
20
21
22
22
22

Chance of Frost

Temperature (°C)

2
2
2
2
2
4
5
7
8
9
11
11
11
11
11
10
9
9
9
9
9
9

Feels Like (°C)

0
1
1
1
1
1
1
2
2
3
4
7
7
6
6
6
7
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

89
88
89
89
89
85
80
78
74
72
68
69
72
72
73
76
77
81
82
87
87
88

Pressure (mb)

1031
1032
1032
1032
1032
1032
1031
1031
1030
1030
1029
1028
1027
1026
1024
1023
1022
1021
1021
1020
1020
1020

Ozone (du)

376
375
373
370
368
366
364
362
360
358
356
353
350
347
343
339
335
333
332
330
328
325

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 23/03/26 02:45:36. Forecast: 23/03/26 to 29/03/26. Timezone: UTC+0.00