Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 61%

10:15

03:20

21 OK
22 Bad
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
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: 05:54, 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)

24
23
15
29
55
66
61
56
40
38
69
53
60
86
78
83
74
96
97
94
95
87
91
88

Low Clouds (% Sky Obscured)

24
12
1
27
50
61
50
56
34
4
7
27
39
30
22
11
46
54
62
58
58
36
42
45

Medium Clouds (% Sky Obscured)

0
2
15
0
0
2
18
0
6
30
34
43
32
55
33
64
41
61
44
65
62
66
57
46

High Clouds (% Sky Obscured)

0
0
0
0
4
7
8
1
3
3
38
2
5
19
25
33
58
85
43
35
57
12
6
9

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 (%)

18
30
4
0
0
0
0
0
0
0
0
0
0
1
18
14
2
4
6
11
5
0
4
3

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
9
10
10
9
9
8
7
7
6
8
10
11
10
10
10
10
10
9
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
81
83
88
91
93
94
94
91
80
73
65
59
55
56
57
58
63
71
75
82
88

Pressure (mb)

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

Ozone (du)

375
371
367
361
355
345
340
337
334
332
328
325
321
318
314
311
310
308
309
310
309
310
312
313

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)

92
86
100
100
100
100
100
100
97
99
100
100
100
100
100
100
100
100
100
100
100
100
64
36

Low Clouds (% Sky Obscured)

67
73
100
100
100
100
100
88
89
82
81
80
85
91
83
100
89
100
100
88
100
85
64
36

Medium Clouds (% Sky Obscured)

41
37
73
82
53
55
54
63
69
59
60
76
57
82
80
77
100
100
100
100
98
98
45
36

High Clouds (% Sky Obscured)

4
4
3
45
71
100
35
36
18
48
88
100
100
72
34
88
100
100
100
100
98
54
10
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
1
2
2
9
9
9
9
9
9
9
9
6
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
6
10
27
28
32
32
29
19
21
23
35
54
62
64
52
70
66
51
45
66
70
75
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
6
7
9
9
9
9
9
9
9
10
11
12
12
12
12
11
11
11
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
93
93
93
94
96
98
96
98
96
98
91
91
90
93
93
93
95
95
96
96
98

Pressure (mb)

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

Ozone (du)

316
317
318
318
318
317
317
317
318
317
315
314
313
314
314
313
312
313
315
315
315
317
318
320

Friday 27

Waxing Gibbous 82%

13:05

04:23

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

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)

0
54
73
43
0
0
0
0
8
20
30
38
25
30
34
85
66
79
65
67
25
17
11
4

Low Clouds (% Sky Obscured)

0
54
63
0
0
0
0
0
0
0
18
34
25
30
27
64
36
27
37
67
23
15
8
3

Medium Clouds (% Sky Obscured)

0
54
73
17
0
0
0
0
2
6
9
6
0
0
11
11
15
29
41
0
0
0
0
0

High Clouds (% Sky Obscured)

0
20
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
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 (%)

35
5
12
0
0
0
0
0
0
0
0
0
0
4
11
39
42
40
27
15
2
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)

10
8
8
9
9
8
8
9
7
7
8
11
15
16
17
18
17
17
16
17
15
12
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
94
94
96
96
91
93
93
91
86
78
67
58
58
61
61
67
68
71
74
82
86

Pressure (mb)

1020
1021
1021
1022
1023
1023
1024
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1030
1031
1032
1033

Ozone (du)

323
326
332
337
340
345
353
365
374
384
392
395
397
400
398
396
397
400
396
396
393
393
391
388

Saturday 28

Waxing Gibbous 82%

15:29

05:41

21 OK
22 OK
23 Good
00 Good
02 OK
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

Sun - Rise: 06:47, Set: 19:35, Transit: 13:11. Moon - Rise: 15:29, Set: 05:41. Civil Dark: 20:09 - 06:13. Nautical Dark: 20:50 - 05:33. Astro Dark: 21:33 - 04:50

Total Clouds (% Sky Obscured)

33
11
8
7
18
6
20
53
67
63
91
100
100
100
100
100
100
100
96
91
87
84
82
79

Low Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
1
26
40
73
76
91
100
94
88
80
79
79
79

Medium Clouds (% Sky Obscured)

0
0
0
3
5
3
3
7
9
22
81
89
81
86
100
95
91
78
74
51
37
41
30
7

High Clouds (% Sky Obscured)

14
3
4
2
5
1
15
38
55
61
83
100
100
100
100
100
100
100
79
56
30
32
38
40

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
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
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
1
6
21
13
16
11
11
15
4
7
9
7

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
6
6
5
5
4
4
4
5
7
9
12
15
17
18
19
20
21
20
20
20
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
89
89
89
88
89
89
88
89
85
79
79
74
75
82
80
80
81
84
90
95
96
98

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1032
1031
1030
1029
1028
1027
1026
1025
1024
1023
1024
1024

Ozone (du)

385
386
387
388
385
383
382
380
376
374
372
370
370
368
368
366
364
361
358
356
353
350
346
342

Sunday 29

Waxing Gibbous 90%

16:49

05:55

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

Sun - Rise: 06:45, Set: 19:37, Transit: 13:11. Moon - Rise: 16:49, Set: 05:55. Civil Dark: 20:11 - 06:11. Nautical Dark: 20:51 - 05:30. Astro Dark: 21:35 - 04:47

Total Clouds (% Sky Obscured)

79
75
71
68
56
43
31
33
42
51
52
52
52
60
71
80
84
89
94
95
96
97
93
91

Low Clouds (% Sky Obscured)

79
75
70
60
53
43
27
33
39
51
44
39
34
45
57
69
76
82
90
91
92
93
91
89

Medium Clouds (% Sky Obscured)

7
6
6
2
2
3
2
0
3
2
10
15
22
26
29
33
23
17
16
18
21
14
6
2

High Clouds (% Sky Obscured)

40
32
26
15
15
15
26
30
25
30
35
35
25
18
20
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
9
9
9
9
9
9
9
9
9
5
2
2
0
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 (%)

7
13
11
4
9
13
12
3
13
23
24
25
6
5
16
6
14
15
12
14
13
10
9
6

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)

15
15
13
12
11
11
11
10
10
7
6
7
8
10
13
15
17
16
16
16
15
14
12
12

Chance of Frost

Temperature (°C)

9
9
8
8
7
7
6
6
6
6
6
6
7
8
9
10
11
11
11
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
95
94
96
96
96
94
93
94
96
98
98
98
93
88
83
83
83
81
84
84
85
90

Pressure (mb)

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

Ozone (du)

342
339
338
336
334
330
327
324
321
320
318
318
318
316
315
315
316
315
314
313
315
317
319
319

Monday 30

Waxing Gibbous 95%

18:06

06:06

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: 06:43, Set: 19:39, Transit: 13:11. Moon - Rise: 18:06, Set: 06:06. Civil Dark: 20:13 - 06:09. Nautical Dark: 20:53 - 05:28. Astro Dark: 21:35 - 04:44

Total Clouds (% Sky Obscured)

87
85
86
86
86
85
84
77
70
62
68
74
81
74
64
53
67
84
99
92
91
86
91
92

Low Clouds (% Sky Obscured)

87
85
86
86
86
84
82
75
68
61
67
73
78
72
64
53
57
56
56
63
74
85
89
92

Medium Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
13
24
35
25
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
32
64
96
92
91
81
79
78

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
2
2
2
2
1
0
0
0
0
1
1
0
6
9
11
12
13
13
13
12
10
8
4

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
12
11
11
11
11
11
12
12
13
14
14
15
15
15
14
14
12
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
9
9
8
8
8
8
9
9
9
9
9
9
10
10
10
10
10
9

Relative Humidity (%)

93
95
91
90
85
88
91
96
95
96
96
93
91
88
81
74
68
70
73
75
79
82
83
87

Pressure (mb)

1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

319
319
317
316
315
317
318
319
318
316
314
310
307
303
304
306
307
311
315
319
318
316
315
315

Tuesday 31

Waxing Gibbous 99%

19:21

06:17

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

Sun - Rise: 06:40, Set: 19:40, Transit: 13:10. Moon - Rise: 19:21, Set: 06:17. Civil Dark: 20:14 - 06:06. Nautical Dark: 20:55 - 05:25. Astro Dark: 21:37 - 04:41

Total Clouds (% Sky Obscured)

95
96
95
94
90
87
83
85
87
89
84
78
72
78
85
92
87
80
72
74
78
82

Low Clouds (% Sky Obscured)

95
86
77
67
61
56
50
64
77
87
77
68
60
68
81
92
87
80
72
74
73
66

Medium Clouds (% Sky Obscured)

15
16
21
25
23
24
22
13
8
2
2
1
0
0
1
1
1
1
1
1
2
3

High Clouds (% Sky Obscured)

78
57
36
15
15
9
5
2
5
16
17
21
28
21
13
4
2
1
1
1
1
2

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

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
6
5
5
5
5
5
5
5
5
6
8
9
11
12
13
14
14
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
95
93
93
93
93
93
93
93
93
94
90
87
84
78
73
68
68
70
70
73
77

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026

Ozone (du)

316
317
318
318
319
320
322
323
324
324
325
327
329
331
332
332
333
331
330
329
330
332

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

Generated: 25/03/26 21:36:43. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+0.00