Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 17%

06:57

22:12

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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

Sun - Rise: 06:03, Set: 18:24, Transit: 12:13. Moon - Rise: 06:57, Set: 22:12. Civil Dark: 18:57 - 05:30. Nautical Dark: 19:37 - 04:50. Astro Dark: 20:18 - 04:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
2
96
78
100
100
100
88
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
4
28
35
49
55
48
66
60
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
27
58
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
2
56
46
94
100
100
88
100
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
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
1
3
13
6
12
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
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
4
5
5
4
4
3
5

Chance of Frost

Temperature (°C)

7
6
5
5
4
4
3
3
3
3
2
4
7
9
10
12
12
13
13
13
13
12
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
78
77
79
79
80
82
82
78
73
67
62
59
57
60
62
68
74
80
83
85
88

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1016
1016
1017
1018

Ozone (du)

370
371
375
380
381
377
373
369
365
363
362
361
360
360
361
363
362
361
361
362
366
371
378
386

Sunday 22

Waxing Crescent 27%

07:24

23:44

21 Bad
22 OK
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:01, Set: 18:25, Transit: 12:13. Moon - Rise: 07:24, Set: 23:44. Civil Dark: 18:59 - 05:27. Nautical Dark: 19:38 - 04:48. Astro Dark: 20:20 - 04:06

Total Clouds (% Sky Obscured)

100
47
26
44
51
77
100
100
100
92
84
95
99
100
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
37
26
40
49
56
59
57
61
60
56
58
52
53
66
60
66
75
66
32
24
5
23
36

Medium Clouds (% Sky Obscured)

99
22
0
0
0
0
0
0
2
23
19
20
42
28
45
51
39
67
56
87
94
97
95
91

High Clouds (% Sky Obscured)

100
35
0
6
51
76
100
100
100
80
66
84
93
100
95
100
100
100
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
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
90
93
91
82
83
79
79
79
80
82
81
78
77
75
70
70
71
72
79
86
85
87

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1022
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

396
397
393
386
385
378
374
370
367
365
365
363
363
360
359
358
357
354
353
351
350
349
349
351

Monday 23

Waxing Crescent 38%

08:04

01:11

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:58, Set: 18:27, Transit: 12:13. Moon - Rise: 08:04, Set: 01:11. Civil Dark: 19:00 - 05:25. Nautical Dark: 19:40 - 04:45. Astro Dark: 20:22 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
77
95
100
93
97
100
100
100
100
100
100
100
100
94
86
97
100
100
100
99
75

Low Clouds (% Sky Obscured)

4
36
44
55
59
56
56
58
77
52
48
32
52
48
81
82
92
64
76
98
100
100
99
74

Medium Clouds (% Sky Obscured)

80
75
70
35
85
85
92
95
70
59
29
98
98
98
24
20
25
29
33
30
31
51
29
22

High Clouds (% Sky Obscured)

100
100
100
30
77
100
62
88
100
100
100
100
100
100
100
99
87
85
85
0
4
16
1
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
7
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
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
20
26
31
42
67
66
43
35
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

8
7
8
8
8
8
9
9
10
11
13
15
16
17
19
20
19
20
20
22
22
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
85
88
91
93
94
91
90
88
90
88
85
84
84
83
81
80
79
77
90
91
85
85

Pressure (mb)

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

Ozone (du)

350
347
344
343
342
340
339
339
338
338
337
337
339
340
342
343
350
354
356
361
361
366
371
379

Tuesday 24

Waxing Crescent 50%

09:01

02:24

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 OK
07 OK
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

Sun - Rise: 05:56, Set: 18:29, Transit: 12:12. Moon - Rise: 09:01, Set: 02:24. Civil Dark: 19:02 - 05:23. Nautical Dark: 19:42 - 04:43. Astro Dark: 20:24 - 04:01

Total Clouds (% Sky Obscured)

80
56
55
44
71
60
38
33
32
35
35
38
42
49
77
100
98
83
97
99
100
97
96
96

Low Clouds (% Sky Obscured)

72
47
34
36
40
39
30
24
18
30
35
38
41
38
33
56
50
27
23
15
9
6
4
1

Medium Clouds (% Sky Obscured)

20
21
22
22
43
8
11
11
16
11
6
0
21
40
77
99
94
67
89
91
86
57
36
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
2
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

51
62
70
58
48
19
2
0
0
0
0
12
29
36
45
47
46
54
40
31
15
10
8
0

Precipitation Amount (mm)

0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
15
15
16
16
17
16
16
16
15
16
18
19
20
21
22
21
21
20
19
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
90
86
91
83
80
79
78
79
76
72
71
69
64
66
69
69
71
74
72
73
75

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1018

Ozone (du)

384
388
391
395
400
406
411
415
415
421
422
420
420
419
421
422
413
403
388
379
376
373
369
366

Wednesday 25

First Quarter 61%

10:15

03:20

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

Sun - Rise: 05:54, Set: 18:30, Transit: 12:12. Moon - Rise: 10:15, Set: 03:20. Civil Dark: 19:04 - 05:20. Nautical Dark: 19:44 - 04:40. Astro Dark: 20:26 - 03:58

Total Clouds (% Sky Obscured)

70
48
25
38
41
50
37
19
1
6
8
11
37
66
98
99
99
100
86
73
59
71
81
91

Low Clouds (% Sky Obscured)

9
17
25
33
40
50
36
19
0
0
0
0
21
42
63
57
51
48
36
26
16
18
21
24

Medium Clouds (% Sky Obscured)

26
21
0
0
0
0
0
0
0
3
6
6
25
41
58
46
37
38
32
26
13
11
10
11

High Clouds (% Sky Obscured)

0
1
1
6
0
1
1
2
1
6
8
11
2
1
2
2
2
3
7
12
15
36
54
71

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
1
2
1
0
0
0
0
0
1
4
11
27
28
25
28
28
18
20
15
2

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
11
11
11
11
12
12
12
13
13
13
15
15
15
16
15
14
13
13
12
11
11
10
9

Chance of Frost

Temperature (°C)

3
3
3
2
2
2
2
1
1
1
2
3
5
6
6
6
7
7
7
7
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
83
86
84
86
88
89
88
86
80
75
67
62
61
63
65
66
69
72
76
82
83
86

Pressure (mb)

1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

362
360
359
356
353
348
343
339
333
330
327
324
322
318
315
314
313
312
311
311
311
311
313
314

Thursday 26

Waxing Gibbous 72%

11:39

03:57

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:52, Set: 18:32, Transit: 12:12. Moon - Rise: 11:39, Set: 03:57. Civil Dark: 19:06 - 05:18. Nautical Dark: 19:46 - 04:38. Astro Dark: 20:29 - 03:55

Total Clouds (% Sky Obscured)

84
77
66
76
86
96
96
97
98
97
96
95
97
99
100
100
100
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

25
26
31
43
58
71
74
74
75
75
77
78
87
93
99
99
99
99
96
92
88
87
86
85

Medium Clouds (% Sky Obscured)

18
27
36
54
71
88
91
94
97
86
76
67
50
37
21
38
56
74
72
71
71
69
70
71

High Clouds (% Sky Obscured)

49
29
13
12
9
10
16
23
29
23
12
10
10
5
5
10
15
19
20
17
24
44
61
72

ISS Passover

Visibility (miles)

9
9
9
9
7
5
3
3
2
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

11
11
4
8
10
10
10
9
7
12
11
12
16
20
25
29
37
50
43
38
34
38
41
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
4
4
4
4
4
4
5
5
6
5
4
3
3
4
4
5
5
5
5
6

Relative Humidity (%)

89
91
93
94
96
96
98
96
98
98
96
94
93
87
79
74
77
81
84
87
90
93
93
94

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

315
314
313
311
313
314
315
316
317
317
317
317
317
318
318
318
319
320
322
322
322
322
322
322

Friday 27

Waxing Gibbous 82%

13:05

04:23

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
16 OK
17 OK

Sun - Rise: 05:49, Set: 18:34, Transit: 12:12. Moon - Rise: 13:05, Set: 04:23. Civil Dark: 19:07 - 05:16. Nautical Dark: 19:48 - 04:35. Astro Dark: 20:31 - 03:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
95
82
68
49
51
58
68
62
58
56
48
37
26

Low Clouds (% Sky Obscured)

88
91
94
95
97
99
98
97
95
77
61
46
47
51
56
50
44
39
23
13
2

Medium Clouds (% Sky Obscured)

53
39
27
26
31
30
25
25
20
10
3
0
3
8
17
11
6
0
0
0
0

High Clouds (% Sky Obscured)

69
65
61
66
80
90
75
53
24
16
8
0
0
1
1
0
0
0
0
0
1

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

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

Precipitation Probability (%)

43
46
48
57
66
74
72
68
60
57
38
16
10
9
10
15
9
1
3
2
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
5
5
5
5
5
6
9
12
14
15
17
17
17
18
18
18
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
93
91
90
91
91
91
93
86
79
74
71
68
66
63
60
57
62
68

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1028
1028

Ozone (du)

322
323
324
325
329
333
337
342
346
351
352
353
354
357
360
363
364
365
366
368
369

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

Generated: 21/03/26 21:28:09. Forecast: 21/03/26 to 27/03/26. Timezone: UTC+0.00