Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 9%

06:51

22:19

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

Sun - Rise: 06:16, Set: 18:32, Transit: 12:24. Moon - Rise: 06:51, Set: 22:19. Civil Dark: 19:05 - 05:44. Nautical Dark: 19:43 - 05:05. Astro Dark: 20:24 - 04:25

Total Clouds (% Sky Obscured)

0
0
16
5
4
4
4
4
9
5
9
49
65
68
59
70
57
43
33
18
26
5
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
22
44
47
70
57
43
33
18
26
5
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
95
16
5
4
4
4
4
9
5
9
49
65
68
59
8
7
20
5
4
4
4
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
None
None

Precipitation Probability (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
3
3
3
4
6
9
10
10
11
12
13
12
13
11
9
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

61
68
79
81
82
82
85
83
77
72
68
67
64
63
63
67
70
80
87
90
91
93
91
93

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1018

Ozone (du)

379
375
373
368
364
360
357
357
359
364
366
366
365
364
364
365
365
368
368
371
371
369
372
372

Sunday 22

Waxing Crescent 17%

07:12

23:49

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
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 OK

Sun - Rise: 06:14, Set: 18:34, Transit: 12:24. Moon - Rise: 07:12, Set: 23:49. Civil Dark: 19:06 - 05:41. Nautical Dark: 19:45 - 05:03. Astro Dark: 20:26 - 04:22

Total Clouds (% Sky Obscured)

0
0
1
1
0
1
1
0
1
7
43
99
100
100
100
100
100
100
100
99
100
100
51
37

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
15
7
0
28
0
0
0
0
4
66
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
58
66
84
100
100
100
99
97
60
31
28

High Clouds (% Sky Obscured)

0
0
1
1
0
1
1
0
1
7
34
94
100
100
100
100
100
100
100
90
98
87
14
25

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
2
9
16
18
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
2
17
13
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
3
4
5
5
5
5
5
5
6
7
8
9
11
11
9
10
9
8
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
90
90
91
91
90
84
70
64
61
60
59
58
60
67
74
75
77
84
88
87
91

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020

Ozone (du)

375
376
373
372
373
372
367
363
360
355
353
352
351
352
353
353
355
356
359
364
369
368
366
365

Monday 23

Waxing Crescent 27%

07:41

No Set

00 OK
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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:12, Set: 18:36, Transit: 12:24. Moon - Rise: 07:41, Set: No Set. Civil Dark: 19:08 - 05:39. Nautical Dark: 19:47 - 05:00. Astro Dark: 20:28 - 04:20

Total Clouds (% Sky Obscured)

47
100
100
89
100
100
100
46
100
96
100
100
100
91
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
43
37
33
32
30
29
0
0
0
8
39
36
29
29
27
5
37
45
54
60
57
49
65

Medium Clouds (% Sky Obscured)

24
24
0
0
0
0
1
3
4
60
40
33
42
30
94
79
85
96
95
86
96
59
71
74

High Clouds (% Sky Obscured)

47
100
100
89
100
100
100
46
100
95
100
100
100
90
100
100
100
100
99
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
2
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
91
93
93
93
91
89
90
87
82
78
75
71
71
72
75
77
81
85
88
91
96
94
94

Pressure (mb)

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

Ozone (du)

363
359
355
353
352
351
351
351
351
351
350
349
349
349
349
347
345
344
342
342
341
339
340
340

Tuesday 24

Waxing Crescent 38%

08:23

01:15

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:10, Set: 18:37, Transit: 12:23. Moon - Rise: 08:23, Set: 01:15. Civil Dark: 19:10 - 05:37. Nautical Dark: 19:49 - 04:58. Astro Dark: 20:30 - 04:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
58
64
56
45
74
95

Low Clouds (% Sky Obscured)

61
58
57
57
60
66
70
74
79
78
78
78
78
83
97
98
99
85
58
64
56
45
51
48

Medium Clouds (% Sky Obscured)

42
37
51
76
75
90
86
87
90
77
58
53
44
33
21
31
39
40
26
15
8
10
12
16

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
75
63
31
45
50
75
6
7
21
5
43
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
0
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
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
18
22
34
54
77
77
68
50
43
47
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.3
0
0
0
0.3

Wind Speed/Direction (mph)

6
6
7
7
8
9
10
12
14
17
19
21
22
23
24
23
23
22
23
22
21
21
22
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
98
98
96
96
96
93
88
84
77
76
76
84
93
96
87
84
82
78
78
78
76

Pressure (mb)

1022
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1014
1013
1014
1014
1014
1015
1015

Ozone (du)

338
338
337
337
336
335
334
333
334
333
336
339
340
343
344
344
343
343
345
346
350
352
352
352

Wednesday 25

First Quarter 50%

09:20

02:28

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:07, Set: 18:39, Transit: 12:23. Moon - Rise: 09:20, Set: 02:28. Civil Dark: 19:11 - 05:35. Nautical Dark: 19:51 - 04:56. Astro Dark: 20:32 - 04:15

Total Clouds (% Sky Obscured)

92
88
87
91
96
100
100
100
100
98
96
94
88
84
75
77
85
87
87
79
70
72
78
77

Low Clouds (% Sky Obscured)

44
41
39
40
44
56
63
61
67
81
79
68
76
75
71
70
72
72
78
67
59
53
47
41

Medium Clouds (% Sky Obscured)

11
6
0
15
30
50
60
60
60
58
55
45
32
17
0
6
7
10
2
1
0
0
0
0

High Clouds (% Sky Obscured)

60
55
45
35
35
30
25
40
45
30
20
20
18
13
7
6
15
35
30
30
35
35
30
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
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
Light Rain
None
None
Sleet
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

49
49
57
49
46
48
51
60
73
70
74
82
67
49
43
39
35
43
66
54
44
41
33
20

Precipitation Amount (mm)

0
0
0.4
0
0
0.3
0
0.3
0.5
0.4
0.5
0.7
0.4
0.2
0.2
0
0
0
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

22
22
21
20
20
20
20
21
21
21
22
24
26
26
26
26
24
23
21
24
23
21
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
65
63
66
67
67
71
70
67
69
67
61
62
65
66
68
71
70
71
72
72
73
73

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1018
1019
1019
1019

Ozone (du)

356
356
354
354
355
356
355
354
354
353
350
348
347
345
342
342
342
339
339
338
337
336
334
333

Thursday 26

Waxing Gibbous 61%

10:34

03:23

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 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:05, Set: 18:40, Transit: 12:23. Moon - Rise: 10:34, Set: 03:23. Civil Dark: 19:13 - 05:32. Nautical Dark: 19:52 - 04:53. Astro Dark: 20:34 - 04:12

Total Clouds (% Sky Obscured)

81
85
86
88
88
89
82
75
69
75
78
82
81
83
85
83
83
83
70
60
45
58
70
83

Low Clouds (% Sky Obscured)

52
60
81
75
79
76
59
43
31
37
45
69
78
80
83
83
82
82
70
57
45
40
35
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
5
5
5
5
11
17
23
28
34
44
54
52
45
46
42
40

High Clouds (% Sky Obscured)

48
50
44
27
18
14
13
12
11
4
5
0
0
0
5
2
4
11
10
9
17
22
22
13

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 (%)

24
25
22
27
24
20
25
30
40
34
32
31
24
19
13
9
6
5
4
2
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)

16
16
15
15
14
14
13
14
15
16
17
18
18
17
17
16
14
14
12
11
10
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
79
80
82
83
86
82
79
75
69
63
57
58
58
59
63
66
71
72
73
74
77
80

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

331
330
329
327
325
323
321
319
318
316
315
314
313
315
316
318
318
318
318
318
318
319
317
316

Friday 27

Waxing Gibbous 72%

11:56

04:02

Sun - Rise: 06:03, Set: 18:42, Transit: 12:22. Moon - Rise: 11:56, Set: 04:02. Civil Dark: 19:15 - 05:30. Nautical Dark: 19:54 - 04:51. Astro Dark: 20:36 - 04:09

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 21/03/26 02:15:14. Forecast: 21/03/26 to 27/03/26. Timezone: UTC+0.00