Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 27%

08:04

01:11

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:58, Set: 18:25, Transit: 12:13. Moon - Rise: 08:04, Set: 01:11. Civil Dark: 18:59 - 05:25. Nautical Dark: 19:38 - 04:45. Astro Dark: 20:20 - 04:03

Total Clouds (% Sky Obscured)

59
69
76
100
100
90
96
100
100
78
96
100
97
97
93
100
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
57
30
0
39
30
47
48
48
41
91
99
94
95
85
100
91
83
88
100
100
100
100
100

Medium Clouds (% Sky Obscured)

59
69
76
96
98
80
85
92
100
35
33
25
15
49
68
86
43
37
30
73
58
100
100
61

High Clouds (% Sky Obscured)

59
69
76
100
100
70
76
100
100
78
52
49
57
60
55
67
82
100
100
100
100
100
100
73

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
2
9
12

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)

6
7
8
7
6
9
9
9
8
9
10
10
10
10
11
12
13
14
15
17
18
18
17
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
81
84
85
88
93
93
95
95
91
94
93
93
91
91
93
90
88
87
84
83
86
86

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1018
1017
1017
1017
1016
1015
1014
1012

Ozone (du)

352
351
348
347
347
344
341
340
339
340
340
339
338
338
338
339
339
340
340
340
337
337
337
338

Tuesday 24

Waxing Crescent 38%

09:01

02:24

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:56, Set: 18:27, Transit: 12:12. Moon - Rise: 09:01, Set: 02:24. Civil Dark: 19:00 - 05:23. Nautical Dark: 19:40 - 04:43. Astro Dark: 20:22 - 04:01

Total Clouds (% Sky Obscured)

100
98
91
96
96
95
96
67
73
51
55
66
79
83
100
98
56
47
55
67
80
100
81
83

Low Clouds (% Sky Obscured)

100
97
76
79
94
92
82
67
73
51
55
59
68
49
50
57
56
47
37
33
40
41
44
38

Medium Clouds (% Sky Obscured)

21
14
29
40
45
47
49
0
0
0
0
9
17
40
60
97
47
45
55
34
40
60
79
83

High Clouds (% Sky Obscured)

3
3
0
0
11
28
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
5
9
9
9
9
9
9
9
9
9
0
0
2
1
2
7
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

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

Precipitation Probability (%)

4
17
7
24
58
82
49
11
2
0
0
6
5
20
48
66
65
60
66
50
52
53
63
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
22
22
23
24
24
27
26
23
22
21
19
18
18
17
16
17
19
21
21
22
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
88
83
80
90
87
84
84
82
82
79
80
80
77
93
96
94
94
88
76
71
68
71

Pressure (mb)

1011
1010
1009
1007
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

347
353
357
362
367
370
377
386
395
405
417
419
418
417
415
414
414
415
416
417
418
423
423
424

Wednesday 25

First Quarter 50%

10:15

03:20

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

Sun - Rise: 05:54, Set: 18:29, Transit: 12:12. Moon - Rise: 10:15, Set: 03:20. Civil Dark: 19:02 - 05:20. Nautical Dark: 19:42 - 04:40. Astro Dark: 20:24 - 03:58

Total Clouds (% Sky Obscured)

55
36
42
36
24
29
23
4
11
3
21
7
4
3
23
41
47
48
53
62
61
60
56
53

Low Clouds (% Sky Obscured)

36
36
42
36
24
29
23
0
0
2
13
5
2
2
23
41
46
45
42
32
36
41
35
30

Medium Clouds (% Sky Obscured)

55
36
42
36
4
0
4
4
11
3
0
0
0
1
4
0
3
0
0
5
16
14
15
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
0
0
0
0
0
9
2
1
1
1
7
0
1
1
10

ISS Passover

Visibility (miles)

7
8
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

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
None

Precipitation Probability (%)

51
43
24
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
2
20
4
22
19

Precipitation Amount (mm)

0.2
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)

22
21
20
18
16
14
13
12
11
10
10
10
10
9
9
9
9
11
13
13
12
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
78
79
79
82
82
83
84
89
96
96
93
91
93
93
89
82
75
66
58
54
55
58

Pressure (mb)

1014
1015
1015
1016
1017
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

418
406
397
391
385
379
374
370
364
359
355
350
346
344
342
339
336
334
332
330
328
323
319
316

Thursday 26

Waxing Gibbous 61%

11:39

03:57

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:52, Set: 18:30, Transit: 12:12. Moon - Rise: 11:39, Set: 03:57. Civil Dark: 19:04 - 05:18. Nautical Dark: 19:44 - 04:38. Astro Dark: 20:26 - 03:55

Total Clouds (% Sky Obscured)

67
77
89
96
97
90
95
98
99
99
99
99
99
99
99
99
99
100
99
98
98
98
98
99

Low Clouds (% Sky Obscured)

34
35
39
42
48
54
61
67
73
77
81
81
84
94
97
98
99
100
94
88
81
77
74
71

Medium Clouds (% Sky Obscured)

16
24
33
42
68
61
65
47
47
49
41
46
74
76
76
82
88
92
92
91
88
96
98
99

High Clouds (% Sky Obscured)

2
1
2
14
18
14
40
55
77
53
31
12
10
8
16
18
20
27
29
22
15
10
10
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
9
9
7

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 (%)

18
1
1
0
0
0
0
0
0
2
2
1
8
9
7
8
8
4
12
13
16
24
37
45

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
71
76
81
76
82
82
75
73
76
78
88
93
90
93
94
94
95
95
95
93
95
96

Pressure (mb)

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

Ozone (du)

314
313
313
311
313
315
316
317
318
318
317
317
315
314
314
316
316
318
319
320
319
319
320
319

Friday 27

Waxing Gibbous 72%

13:05

04:23

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:49, Set: 18:32, Transit: 12:12. Moon - Rise: 13:05, Set: 04:23. Civil Dark: 19:06 - 05:16. Nautical Dark: 19:46 - 04:35. Astro Dark: 20:29 - 03:52

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
96
96
100
96
98
79
82
79
70
68
67
56
46
35

Low Clouds (% Sky Obscured)

81
90
100
100
100
100
93
85
78
68
59
51
44
38
32
43
56
70
62
54
46
42
39
35

Medium Clouds (% Sky Obscured)

97
92
85
87
67
65
60
46
36
26
12
0
22
40
60
18
36
53
46
38
33
25
16
8

High Clouds (% Sky Obscured)

10
15
15
18
21
26
41
61
92
86
67
76
81
82
90
67
48
20
9
8
6
4
2
0

ISS Passover

Visibility (miles)

8
3
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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 (%)

46
39
24
18
25
27
32
30
20
12
4
0
0
0
0
0
0
0
17
26
34
40
45
48

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
12
11
11
9
8
8
9
8
7
7
6
6
6
6
9
12
16
17
17
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
100
98
94
93
93
94
94
88
88
86
83
82
81
75
71
68
68
69

Pressure (mb)

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

Ozone (du)

318
320
322
326
330
334
336
337
338
340
344
345
349
350
351
355
361
367
373
381
389
397
404
412

Saturday 28

Waxing Gibbous 82%

15:29

05:41

15 Bad
16 Bad
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 OK
02 OK
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: 06:47, Set: 18:34, Transit: 13:11. Moon - Rise: 15:29, Set: 05:41. Civil Dark: 19:07 - 06:13. Nautical Dark: 19:48 - 05:33. Astro Dark: 20:31 - 04:50

Total Clouds (% Sky Obscured)

26
17
8
6
3
0
0
0
0
21
36
50
50
53
60
65
79
99
98
99
99
95
91
87

Low Clouds (% Sky Obscured)

26
17
8
6
3
0
0
0
0
0
0
0
0
0
0
9
19
32
58
79
98
84
70
56

Medium Clouds (% Sky Obscured)

22
17
8
6
3
0
0
0
0
4
11
26
18
19
17
20
22
28
25
21
17
35
48
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
24
36
50
53
60
65
79
99
97
96
95
74
46
10

ISS Passover

Visibility (miles)

8
8
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 (%)

41
35
32
26
18
0
0
0
0
0
0
0
0
0
0
0
0
0
15
23
27
37
43
51

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)

19
18
16
15
14
12
11
10
9
8
7
6
7
7
7
7
9
11
14
15
17
19
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
74
76
79
80
85
85
86
88
89
89
91
92
92
92
88
82
78
74
69
66
69
72

Pressure (mb)

1025
1026
1027
1028
1029
1030
1031
1031
1031
1032
1032
1031
1031
1031
1031
1031
1030
1030
1029
1028
1027
1025
1025
1024

Ozone (du)

419
423
427
431
426
421
417
413
409
405
402
399
396
393
390
387
384
381
378
374
371
367
364
361

Sunday 29

Waxing Gibbous 90%

No Rise

05:55

15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 06:45, Set: 19:35, Transit: 13:11. Moon - Rise: No Rise, Set: 05:55. Civil Dark: 20:09 - 06:11. Nautical Dark: 20:50 - 05:30. Astro Dark: 21:33 - 04:47

Total Clouds (% Sky Obscured)

87
66
47
36
44
44
48
50
52
50
76
88
96
97
99
99
79
57
39
35
30
25

Low Clouds (% Sky Obscured)

56
42
28
14
13
13
10
15
15
15
25
42
51
63
73
81
69
53
36
34
30
25

Medium Clouds (% Sky Obscured)

60
66
47
36
44
44
48
50
52
46
50
52
57
48
39
26
30
29
28
22
28
25

High Clouds (% Sky Obscured)

10
10
10
25
30
35
35
35
35
30
10
5
0
0
4
3
2
2
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

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 (%)

51
43
32
5
5
3
0
0
0
0
0
2
1
8
10
11
14
19
25
30
35
40

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)

18
21
20
19
18
17
17
16
16
16
16
15
15
15
15
16
16
16
17
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
78
81
85
85
88
90
91
93
96
93
91
88
84
82
78
77
76
74
72
71

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

361
358
353
348
342
338
333
328
325
322
319
318
318
317
317
316
315
315
314
314
313
312

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 23/03/26 14:40:20. Forecast: 23/03/26 to 29/03/26. Timezone: UTC+0.00