Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 17

New Moon 0%

07:21

17:24

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

Sun - Rise: 07:10, Set: 17:18, Transit: 12:14. Moon - Rise: 07:21, Set: 17:24. Civil Dark: 17:52 - 06:35. Nautical Dark: 18:32 - 05:55. Astro Dark: 19:11 - 05:16

Total Clouds (% Sky Obscured)

16
38
52
0
0
3
0
0
0
21
34
48
100
65
86
90
84
46
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

16
38
17
0
0
3
0
0
0
21
25
11
0
0
15
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

0
30
0
0
0
0
0
0
0
0
0
0
0
6
8
42
69
46
65
59
83
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
0
2
34
48
100
65
86
90
84
46
99
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
0
0
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
21
42
6
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
0.2
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)

14
15
13
14
13
12
12
12
12
13
14
13
13
12
10
8
5
5
4
3
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
91
94
86
83
80
80
78
76
68
65
62
60
65
67
73
76
73
73
74
74
75
77

Pressure (mb)

1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1016
1016
1016
1015
1015

Ozone (du)

384
386
388
388
381
375
373
371
368
367
367
365
360
357
352
350
348
349
349
352
354
358
360
359

Wednesday 18

Waxing Crescent 1%

07:33

18:45

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
00 Bad

Sun - Rise: 07:08, Set: 17:19, Transit: 12:14. Moon - Rise: 07:33, Set: 18:45. Civil Dark: 17:54 - 06:33. Nautical Dark: 18:34 - 05:54. Astro Dark: 19:13 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
91
94
80
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
0
0
9
31
36
32
40
37
44
65
48
25
48
7
4
0
0
0
17
31
23
10
4

Medium Clouds (% Sky Obscured)

100
100
100
100
100
84
88
90
52
82
47
37
67
86
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
55
22
60
61
100
91
100
100
100
100
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
13
0
2
12
0
0
0
1
4
8
13
26
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)

5
5
6
6
7
8
9
9
10
12
15
18
19
18
18
19
20
20
21
20
21
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
81
80
83
81
81
81
77
73
72
70
71
71
72
73
73
73
73
73
76
77
77
77

Pressure (mb)

1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1009
1008
1007
1007
1006
1004
1003
1003
1002
1002
1002
1002
1001
1001

Ozone (du)

361
363
366
368
369
371
370
370
367
365
365
365
366
367
368
368
370
367
367
366
367
367
365
366

Thursday 19

Waxing Crescent 5%

07:44

20:07

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 OK
19 OK
20 Good
21 Good
22 OK
23 OK
00 Bad

Sun - Rise: 07:06, Set: 17:21, Transit: 12:13. Moon - Rise: 07:44, Set: 20:07. Civil Dark: 17:56 - 06:31. Nautical Dark: 18:35 - 05:52. Astro Dark: 19:14 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
93
76
66
59
100
91
67
68
48
28
2
10
19
26
57

Low Clouds (% Sky Obscured)

0
5
5
10
10
15
37
43
44
46
27
0
0
0
0
1
1
1
0
1
1
1
1
1

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
81
45
66
59
78
91
55
37
48
28
2
7
12
17
13

High Clouds (% Sky Obscured)

100
100
100
100
65
52
70
55
40
23
44
55
53
99
66
45
50
48
28
0
1
4
5
46

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 (%)

4
4
9
5
3
2
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)

20
20
19
19
19
19
19
18
18
18
19
17
16
15
13
12
10
8
7
5
5
5
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
73
72
67
63
61
61
61
62
66
65
68
68
71
73
74
77
81
81
83
81
81

Pressure (mb)

1001
1002
1002
1003
1004
1005
1006
1008
1009
1010
1012
1013
1014
1015
1017
1018
1019
1021
1022
1023
1024
1024
1025
1025

Ozone (du)

368
369
374
372
359
356
357
355
352
351
351
354
352
343
346
346
347
338
335
335
334
327
320
310

Friday 20

Waxing Crescent 11%

07:55

21:31

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
00 Bad

Sun - Rise: 07:04, Set: 17:23, Transit: 12:13. Moon - Rise: 07:55, Set: 21:31. Civil Dark: 17:58 - 06:29. Nautical Dark: 18:37 - 05:50. Astro Dark: 19:16 - 05:10

Total Clouds (% Sky Obscured)

70
83
100
100
100
100
100
100
99
99
98
98
98
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
22
46
65
67
68
70
71
82
84
66
75
92
88
85
82
84

Medium Clouds (% Sky Obscured)

12
9
27
83
100
100
100
100
98
96
47
47
53
62
99
97
96
93
88
85
92
96
99
56

High Clouds (% Sky Obscured)

64
83
100
100
100
100
100
100
78
55
33
55
78
99
99
99
98
98
99
100
100
100
100
91

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
7
10
13
12
9
2
11
27
14
22
28
32
34
33
31
37

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)

5
4
5
6
6
8
9
10
11
12
13
14
15
15
15
16
16
17
17
18
19
19
18
17

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-0
0
0
1
2
4
5
6
7
7
7
7
7
8
8
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
80
80
74
70
71
71
68
67
67
70
74
77
79
85
88
90
90
88
88
87
85

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1022
1021
1020
1020
1019
1019
1018
1017
1017
1016
1016
1016

Ozone (du)

303
302
302
302
307
313
320
328
334
332
332
333
333
333
332
331
329
327
324
324
320
317
317
316

Saturday 21

Waxing Crescent 20%

08:07

22:58

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
00 Bad

Sun - Rise: 07:01, Set: 17:25, Transit: 12:13. Moon - Rise: 08:07, Set: 22:58. Civil Dark: 17:59 - 06:27. Nautical Dark: 18:39 - 05:48. Astro Dark: 19:18 - 05:08

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
93
90
89
86
84
82
80
72
66
57
71
86
100
100
100
100
93
86
79
72
67
60
63

Medium Clouds (% Sky Obscured)

59
51
76
74
49
53
93
68
96
93
87
83
81
77
62
64
76
76
66
60
55
41
36
44

High Clouds (% Sky Obscured)

82
75
81
90
100
100
100
100
100
100
100
94
88
81
85
91
94
91
94
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 (%)

37
26
39
34
24
18
11
1
1
1
0
19
25
29
22
16
5
6
4
6
4
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
15
15
16
16
17
17
17
17
18
19
19
18
18
17
17
16
15
15
16
16
16
16
15

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
11
11
12
12
12
12
12
12
12
12
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
91
88
88
88
85
84
84
83
81
84
87
89
92
92
93
92
92
91
90
88
90

Pressure (mb)

1016
1017
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

318
318
316
315
312
311
311
311
309
307
306
306
304
302
301
301
300
300
303
307
310
311
311
312

Sunday 22

Waxing Crescent 30%

08:22

00:27

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
00 Bad

Sun - Rise: 06:59, Set: 17:27, Transit: 12:13. Moon - Rise: 08:22, Set: 00:27. Civil Dark: 18:01 - 06:25. Nautical Dark: 18:40 - 05:46. Astro Dark: 19:20 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
70
81
89
97
93
93
91
79
66
53
69
84
100
97
95
92
72
52
30
38
46
54
65

Medium Clouds (% Sky Obscured)

46
51
52
56
54
45
16
15
14
12
11
14
10
0
0
1
1
1
0
0
6
14
19
44

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
82
65
50
59
69
78
87
94
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
5
7
6
6
8
8
8
5
2
7
4
1
1
1
0
1

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)

14
13
13
13
13
13
13
13
13
15
17
18
19
19
20
19
18
17
17
16
16
16
17
17

Chance of Frost

Temperature (°C)

10
10
9
10
10
10
10
11
11
12
12
13
13
13
13
12
12
11
11
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
85
85
84
83
83
83
81
80
79
77
76
74
75
75
75
77
78
80
78
78
78

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017

Ozone (du)

311
311
310
310
310
310
310
311
311
310
308
307
306
305
304
305
306
307
312
317
323
327
332
337

Monday 23

Waxing Crescent 41%

08:42

No Set

Sun - Rise: 06:57, Set: 17:29, Transit: 12:13. Moon - Rise: 08:42, Set: No Set. Civil Dark: 18:03 - 06:23. Nautical Dark: 18:42 - 05:44. Astro Dark: 19:22 - 05:04

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 Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 17/02/26 01:06:07. Forecast: 17/02/26 to 23/02/26. Timezone: UTC+0.00