Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waxing Crescent 14%

08:54

22:41

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

Sun - Rise: 04:56, Set: 21:16, Transit: 13:06. Moon - Rise: 08:54, Set: 22:41. Civil Dark: 22:02 - 04:09. Nautical Dark: 23:13 - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
45
45
40
39
38
47
30
26
21
34
38
34
29
29
49
29
37
74
29
34
35
31
34

Low Clouds (% Sky Obscured)

35
42
45
40
37
38
28
30
26
19
30
31
28
20
20
19
24
22
24
27
34
35
31
34

Medium Clouds (% Sky Obscured)

27
2
17
3
3
2
2
2
0
0
2
2
2
6
4
29
6
22
5
2
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
1
15
2
24
4
2
3
3
8
4
4
9
15
7
4
59
6
8
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
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
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)

5
4
6
6
7
8
8
8
8
7
8
10
11
13
14
14
13
12
9
8
7
6
6
7

Chance of Frost

Temperature (°C)

14
13
13
13
14
16
17
19
20
22
23
24
24
23
21
20
19
18
17
16
15
14
14
14

Feels Like (°C)

14
13
13
13
14
16
17
18
20
22
22
22
21
20
19
18
17
16
16
14
15
15
14
14

Dew Point (°C)

13
12
12
13
12
11
9
8
7
6
7
9
10
9
9
9
8
9
11
15
14
14
14
13

Relative Humidity (%)

96
95
96
96
86
73
59
49
42
37
36
39
41
41
45
47
49
54
69
92
95
96
98
96

Pressure (mb)

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

Ozone (du)

339
340
341
339
339
337
336
335
336
336
335
335
335
334
332
330
328
327
329
333
334
335
334
333

Saturday 18

Waxing Crescent 23%

10:18

22:51

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

Sun - Rise: 04:57, Set: 21:14, Transit: 13:06. Moon - Rise: 10:18, Set: 22:51. Civil Dark: 22:01 - 04:11. Nautical Dark: 23:10 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

24
21
30
12
20
22
29
34
88
99
97
95
69
82
71
52
15
0
0
20
21
29
25
7

Low Clouds (% Sky Obscured)

24
21
30
12
20
22
29
32
65
91
75
61
53
66
59
47
15
0
0
20
21
29
25
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
39
46
60
84
32
70
55
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
3
3
0
0
3
6
39
65
65
65
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
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
2
10
10
10
9
1
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)

6
7
7
8
9
10
11
11
13
13
14
15
16
14
12
13
15
14
12
9
7
7
8
8

Chance of Frost

Temperature (°C)

13
13
12
13
14
15
17
18
19
20
20
19
19
19
19
19
18
17
15
14
12
12
11
11

Feels Like (°C)

14
13
12
13
14
14
16
17
17
17
16
15
14
16
16
15
13
14
13
13
12
11
11
10

Dew Point (°C)

13
12
12
12
11
10
8
8
7
9
9
9
9
13
15
13
10
10
10
11
11
10
10
10

Relative Humidity (%)

96
96
96
95
82
68
58
51
47
47
50
51
52
68
77
69
60
62
69
83
92
92
95
96

Pressure (mb)

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

Ozone (du)

333
332
335
335
337
338
338
339
340
341
343
349
357
360
362
363
364
363
362
361
362
357
352
349

Sunday 19

Waxing Crescent 32%

11:39

23:01

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

Sun - Rise: 04:59, Set: 21:13, Transit: 13:06. Moon - Rise: 11:39, Set: 23:01. Civil Dark: 21:59 - 04:12. Nautical Dark: 23:08 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
3
22
44
63
15
49
73
48
75
88
95
79
75
70
29
34
44
40
40
82
100
89
72

Low Clouds (% Sky Obscured)

0
0
18
19
5
8
39
32
34
32
39
43
17
20
20
21
12
8
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
32
32
46
3
35
45
45
45
6
2
2
0
0
0
0
5
8

High Clouds (% Sky Obscured)

0
2
11
28
28
1
8
20
5
9
65
70
0
0
0
0
20
33
40
40
82
100
88
72

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
1
1
1
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)

8
8
8
9
10
12
13
13
14
14
14
15
16
15
15
14
13
10
8
5
4
5
5
5

Chance of Frost

Temperature (°C)

10
10
9
10
11
13
15
17
18
19
20
20
21
21
20
19
18
16
15
13
13
12
11
11

Feels Like (°C)

9
8
8
8
9
10
13
14
14
16
16
15
16
16
15
14
14
14
14
14
14
11
9
8

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
93
80
68
57
45
36
32
30
28
30
31
33
34
36
43
64
78
81
83
79
75

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

347
344
341
340
339
338
339
340
341
343
344
345
347
350
352
354
354
352
354
348
346
343
337
334

Monday 20

Waxing Crescent 43%

12:57

23:12

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 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:00, Set: 21:12, Transit: 13:06. Moon - Rise: 12:57, Set: 23:12. Civil Dark: 21:58 - 04:14. Nautical Dark: 23:05 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
56
56
55
50
50
52
58
66
76
72
82
78
54
48
36
45
44
59
77
45
72
74
76

Low Clouds (% Sky Obscured)

4
15
35
35
36
38
25
43
65
73
58
69
52
24
15
8
17
5
7
11
15
64
72
76

Medium Clouds (% Sky Obscured)

12
21
20
55
50
5
52
54
56
54
22
36
51
46
38
25
27
27
28
27
25
24
17
9

High Clouds (% Sky Obscured)

55
49
21
29
6
2
2
1
0
0
0
0
0
0
0
0
0
2
13
35
2
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
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
1
1
5
5
9

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
5
5
4
5
4
4
6
8
12
13
14
13
12
12
10
7
6
5
5
5
6

Chance of Frost

Temperature (°C)

10
10
11
11
12
14
16
18
20
20
21
21
20
20
19
19
18
17
16
15
15
14
13
13

Feels Like (°C)

8
8
8
9
9
12
14
17
18
19
18
17
15
16
16
17
16
15
16
15
13
14
12
12

Dew Point (°C)

6
5
5
2
1
2
2
1
2
3
5
5
6
5
8
10
10
11
12
14
14
13
12
11

Relative Humidity (%)

73
69
67
52
48
43
38
31
30
31
34
36
39
36
48
56
58
66
77
92
96
96
89
87

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

331
329
328
328
326
324
322
322
323
326
327
327
327
328
330
330
330
331
332
333
337
334
330
331

Tuesday 21

First Quarter 53%

14:15

23:24

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

Sun - Rise: 05:02, Set: 21:11, Transit: 13:06. Moon - Rise: 14:15, Set: 23:24. Civil Dark: 21:56 - 04:16. Nautical Dark: 23:03 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
51
37
23
33
63
72
34
34
35
43
54
70
69
68
63
74
87
100
99
99
98
83
67

Low Clouds (% Sky Obscured)

77
49
22
15
18
21
26
32
34
34
38
35
31
17
8
3
7
11
17
17
11
9
9
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
16
25
27
29
29
25
25
27
43
60
77
72
62

High Clouds (% Sky Obscured)

0
2
12
2
12
47
55
3
3
3
20
36
53
48
44
34
49
73
100
97
94
93
69
49

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 (%)

3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

13
13
13
14
15
16
18
19
20
21
22
22
23
23
22
21
19
19
18
17
17
17
17
16

Feels Like (°C)

12
11
12
13
14
15
15
17
19
19
20
20
21
22
21
22
22
16
16
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

89
89
96
96
84
73
60
52
45
40
41
42
45
46
52
61
68
70
72
73
72
72
71
71

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1028
1028
1028
1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1023

Ozone (du)

331
330
330
329
328
327
329
330
331
331
333
333
334
334
334
333
333
334
335
336
337
338
339
343

Wednesday 22

Waxing Gibbous 63%

15:32

23:40

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
01 Bad
02 Bad

Sun - Rise: 05:03, Set: 21:09, Transit: 13:06. Moon - Rise: 15:32, Set: 23:40. Civil Dark: 21:55 - 04:18. Nautical Dark: 23:00 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
56
58
65
73
79
84
78
72
66
73
84
96
84
71
56
57
58
59
68
77
86
89
95

Low Clouds (% Sky Obscured)

10
20
32
44
45
48
61
65
63
61
66
71
75
69
61
49
51
53
54
67
77
86
89
95

Medium Clouds (% Sky Obscured)

51
56
58
40
32
23
15
8
4
2
18
33
44
31
18
9
12
14
15
15
14
14
15
21

High Clouds (% Sky Obscured)

32
40
34
32
29
13
2
6
17
27
28
29
30
22
13
3
2
1
0
0
0
1
10
19

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
9
14
15
16
11
2
2
4
3
7
13
18
23
13
2
13
17
0
9
7
3
12
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)

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

Chance of Frost

Temperature (°C)

15
15
15
16
17
17
18
19
20
20
21
21
21
20
19
19
18
17
16
15
15
15
15
14

Feels Like (°C)

14
14
14
14
14
16
15
15
15
16
17
22
21
21
21
20
19
14
14
15
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

72
74
74
75
77
66
56
48
44
40
38
45
54
64
66
67
67
72
77
80
79
78
76
80

Pressure (mb)

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

Ozone (du)

346
349
353
356
360
360
361
362
361
361
361
362
363
363
364
365
366
367
368
369
370
372
373
366

Thursday 23

Waxing Gibbous 72%

16:47

00:01

Sun - Rise: 05:04, Set: 21:08, Transit: 13:06. Moon - Rise: 16:47, Set: 00:01. Civil Dark: 21:53 - 04:19. Nautical Dark: 22:58 - 03:14. Astro Dark: N/A - N/A

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 Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 17/07/26 02:27:48. Forecast: 17/07/26 to 23/07/26. Timezone: UTC+1.00