Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 48%

02:48

10:41

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

Sun - Rise: 06:10, Set: 19:19, Transit: 12:45. Moon - Rise: 02:48, Set: 10:41. Civil Dark: 19:48 - 05:41. Nautical Dark: 20:23 - 05:06. Astro Dark: 20:59 - 04:30

Total Clouds (% Sky Obscured)

2
0
0
0
3
5
16
8
4
3
5
44
28
5
3
1
7
5
21
17
12
11
8
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
15
16
8
6
4
0

High Clouds (% Sky Obscured)

0
0
0
0
2
4
13
7
4
2
3
44
28
3
1
0
1
1
3
0
1
2
2
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-6
-7
-7
-6
-6
-5
-4
-4
-2
-1
-1
-0
-0
0
0
0
0
1
1
1
1
1

Relative Humidity (%)

57
45
36
30
27
26
27
29
34
41
52
64
69
75
77
80
82
83
83
86
85
85
83
75

Pressure (mb)

1037
1037
1036
1035
1034
1033
1033
1032
1032
1032
1032
1032
1033
1032
1032
1031
1031
1030
1029
1029
1028
1028
1028
1028

Ozone (du)

370
370
373
376
373
370
370
370
370
371
370
365
363
364
362
361
358
361
364
359
354
355
359
356

Friday 10

Third Quarter 38%

03:21

11:44

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

Sun - Rise: 06:08, Set: 19:21, Transit: 12:45. Moon - Rise: 03:21, Set: 11:44. Civil Dark: 19:49 - 05:39. Nautical Dark: 20:24 - 05:04. Astro Dark: 21:00 - 04:28

Total Clouds (% Sky Obscured)

8
40
51
10
31
20
7
73
100
100
100
100
100
100
100
100
100
100
100
100
47
91
89
82

Low Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
21
15
20
20
30
95
38
76
84
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
20
23
23
100
100
95
100
100
100
32
25
12
8
0
0

High Clouds (% Sky Obscured)

2
31
37
8
22
9
7
59
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
16
32
27
17
2
0
1
4
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
11
11
11
12
13
13
14
13
14
14
14
14
14
13
10
10
10
11
10
12
12
11
11

Chance of Frost

Temperature (°C)

7
10
12
14
16
17
18
17
16
14
12
11
9
9
8
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

0
1
2
3
4
5
5
5
5
4
4
3
3
2
2
3
3
5
6
7
5
5
4
3

Relative Humidity (%)

63
56
50
47
44
43
42
44
46
49
55
59
63
64
64
67
69
77
82
85
76
77
69
63

Pressure (mb)

1028
1027
1026
1025
1024
1023
1022
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1017
1018
1018
1019
1020
1022

Ozone (du)

352
351
347
346
345
348
350
348
346
345
343
341
342
344
344
339
340
341
342
345
346
353
364
378

Saturday 11

Waning Crescent 28%

03:48

12:51

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

Sun - Rise: 06:06, Set: 19:22, Transit: 12:45. Moon - Rise: 03:48, Set: 12:51. Civil Dark: 19:51 - 05:37. Nautical Dark: 20:25 - 05:02. Astro Dark: 21:02 - 04:26

Total Clouds (% Sky Obscured)

34
3
3
3
3
2
2
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
60
70

Low Clouds (% Sky Obscured)

34
2
1
1
1
1
2
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
37

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)

11
13
13
13
13
14
14
14
13
12
10
8
8
8
8
7
6
6
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
46
40
36
33
30
29
29
31
33
36
41
45
45
46
48
50
51
53
53
53
54
53
49

Pressure (mb)

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

Ozone (du)

382
383
374
369
369
368
365
362
362
364
363
366
364
364
362
360
359
360
358
358
358
358
357
356

Sunday 12

Waning Crescent 27%

04:12

14:00

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:05, Set: 19:23, Transit: 12:45. Moon - Rise: 04:12, Set: 14:00. Civil Dark: 19:52 - 05:36. Nautical Dark: 20:27 - 05:01. Astro Dark: 21:03 - 04:24

Total Clouds (% Sky Obscured)

85
100
94
87
79
85
92
100
97
95
92
95
98
100
100
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

0
0
0
1
21
25
25
2
2
29
30
43
38
42
60
62
27
39
29
45
49
66
74
65

Medium Clouds (% Sky Obscured)

4
75
80
74
77
85
92
99
89
95
92
95
95
95
97
98
100
98
95
85
86
90
94
82

High Clouds (% Sky Obscured)

67
100
81
62
43
62
81
100
67
33
0
33
67
100
100
100
100
100
100
100
100
100
100
67

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
3
26
27
27
13
12
5
7
4
2
19
20
19
55

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)

2
2
3
3
3
4
3
6
11
13
13
12
12
11
12
12
12
14
15
16
17
18
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
44
42
38
35
35
36
38
41
47
52
60
69
70
71
73
70
67
63
65
69
74
76
78

Pressure (mb)

1033
1033
1033
1032
1032
1031
1030
1029
1028
1028
1028
1029
1028
1027
1026
1025
1024
1023
1022
1021
1020
1019
1018
1018

Ozone (du)

354
350
346
340
338
339
340
337
335
332
332
336
341
340
341
344
345
343
340
341
339
335
335
336

Monday 13

Waning Crescent 19%

04:34

15:10

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

Sun - Rise: 06:03, Set: 19:24, Transit: 12:44. Moon - Rise: 04:34, Set: 15:10. Civil Dark: 19:53 - 05:34. Nautical Dark: 20:28 - 04:59. Astro Dark: 21:05 - 04:22

Total Clouds (% Sky Obscured)

81
75
82
91
98
87
84
79
59
33
25
35
48
57
57
59
58
45
28
13
22
29
37
47

Low Clouds (% Sky Obscured)

58
48
33
15
0
0
5
5
2
1
1
12
21
31
19
10
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

62
50
68
79
45
37
34
32
43
33
25
35
48
57
57
59
58
45
25
0
5
10
16
29

High Clouds (% Sky Obscured)

35
2
30
60
87
63
43
22
44
33
25
35
41
17
26
57
58
45
28
13
17
16
13
11

ISS Passover

Visibility (miles)

5
4
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 (%)

45
28
12
22
11
17
0
0
8
7
2
21
28
32
23
22
19
16
11
3
2
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
17
17
16
16
15
15
14
14
13
11
10
10
10
10
10
10
9
8
8
7
7
6
6

Chance of Frost

Temperature (°C)

12
13
14
16
16
18
19
19
20
20
19
17
17
17
17
16
15
15
15
15
15
16
16
16

Feels Like (°C)

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

Dew Point (°C)

9
11
12
12
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14

Relative Humidity (%)

86
84
83
80
86
78
73
72
71
66
69
74
76
78
81
83
87
90
90
93
95
92
90
87

Pressure (mb)

1016
1016
1015
1014
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

337
337
340
340
340
344
348
346
340
338
336
337
335
334
333
331
330
328
325
323
320
318
316
314

Tuesday 14

Waning Crescent 11%

04:56

16:21

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:01, Set: 19:25, Transit: 12:44. Moon - Rise: 04:56, Set: 16:21. Civil Dark: 19:54 - 05:32. Nautical Dark: 20:29 - 04:57. Astro Dark: 21:06 - 04:20

Total Clouds (% Sky Obscured)

53
57
59
61
64
72
81
89
81
74
61
56
48
40
56
68
73
78
87
98
99
98
95
97

Low Clouds (% Sky Obscured)

0
0
10
20
30
26
21
17
11
6
0
0
0
0
0
0
0
10
22
40
36
37
33
46

Medium Clouds (% Sky Obscured)

39
49
45
38
31
38
45
51
35
23
18
34
48
40
56
67
44
16
9
5
3
2
2
4

High Clouds (% Sky Obscured)

9
6
7
7
7
32
55
74
47
28
10
14
17
21
47
68
73
78
66
55
66
68
86
62

ISS Passover

Visibility (miles)

9
9
9
7
6
4
3
1
0
0
0
0
3
6
9
6
3
0
0
0
0
0
0
1

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

Precipitation Probability (%)

0
0
28
38
38
46
49
39
34
33
39
36
29
25
20
11
2
3
3
0
1
0
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
24
23
23
22
21
20
19
18
18
17
16
14
13
12
12
11
11
11
11

Feels Like (°C)

17
18
19
19
20
20
24
24
23
22
22
22
18
18
19
19
19
20
11
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

77
68
62
57
54
50
52
54
55
62
70
78
81
85
88
90
92
96
95
92
91
92
91
90

Pressure (mb)

1014
1015
1015
1014
1014
1013
1013
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1018
1019

Ozone (du)

314
313
313
315
317
319
319
319
319
318
317
316
315
315
315
314
313
312
310
308
307
306
305
304

Wednesday 15

Waning Crescent 5%

05:18

17:34

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

Sun - Rise: 06:00, Set: 19:26, Transit: 12:44. Moon - Rise: 05:18, Set: 17:34. Civil Dark: 19:55 - 05:31. Nautical Dark: 20:31 - 04:55. Astro Dark: 21:08 - 04:18

Total Clouds (% Sky Obscured)

97
96
79
63
44
48
44
43
59
78
93
95
94
98
97
97
97

Low Clouds (% Sky Obscured)

70
81
62
49
30
28
24
20
16
8
2
6
8
12
18
34
37

Medium Clouds (% Sky Obscured)

6
8
14
20
25
23
21
17
20
16
33
43
30
15
22
27
34

High Clouds (% Sky Obscured)

34
11
8
8
10
11
12
13
9
4
0
23
47
70
75
80
85

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
3
5
8
6
5
4
6
7

Fog (%)

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
1
1
0
0
0
0
0
1
2
0
18
26
34
54
54
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
12
13
13
13
14
14
14
14
14
13
13
13
13

Feels Like (°C)

8
8
7
8
8
8
12
12
12
12
13
13
12
12
12
12
12

Dew Point (°C)

9
9
8
8
8
8
8
9
9
10
11
11
11
12
12
12
12

Relative Humidity (%)

87
84
81
77
75
72
72
72
73
76
79
83
86
89
95
93
92

Pressure (mb)

1019
1019
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016
1016
1016
1016
1015
1014

Ozone (du)

304
303
302
300
299
297
295
293
291
291
290
290
290
290
291
292
293

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 09/04/26 09:54:26. Forecast: 09/04/26 to 15/04/26. Timezone: UTC-4.00