Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:53

21:41

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
09 Bad

Sun - Rise: 06:00, Set: 19:37, Transit: 12:49. Moon - Rise: 06:53, Set: 21:41. Civil Dark: 20:07 - 05:30. Nautical Dark: 20:43 - 04:53. Astro Dark: 21:22 - 04:14

Total Clouds (% Sky Obscured)

77
68
58
67
88
80
85
65
89
96
100
91
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
41
34
45
68
56
58
46
50
48
58
64
72
84
89
92
100
100
100
100
100
100
90
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
53
74
12
24
24
53
82
99
97
98
95
96
97
99
100

High Clouds (% Sky Obscured)

3
4
58
67
65
55
65
50
79
84
77
65
61
95
100
100
97
61
100
96
100
98
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
3
3
3
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
46
47
76
47
35

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
55
56
95
69
87
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.6
0.2
0.4
1
2.3

Wind Speed/Direction (mph)

8
9
11
12
11
12
12
11
11
9
8
4
4
4
4
5
6
6
6
5
5
4
4
2

Chance of Frost

Temperature (°C)

12
13
15
17
17
16
16
15
14
12
10
9
8
8
8
8
8
8
8
8
8
8
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
57
57
58
54
52
52
54
55
59
67
80
87
90
87
87
84
84
91
93
96
98
96
98

Pressure (mb)

1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1015
1016
1015
1014
1013
1012
1012
1011
1010
1009
1009
1008
1008
1008

Ozone (du)

321
322
322
324
321
326
327
330
327
327
325
322
319
317
320
322
324
323
323
323
323
323
323
323

Sunday 19

Waxing Crescent 8%

07:40

23:03

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

Sun - Rise: 05:58, Set: 19:38, Transit: 12:49. Moon - Rise: 07:40, Set: 23:03. Civil Dark: 20:08 - 05:28. Nautical Dark: 20:44 - 04:51. Astro Dark: 21:24 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
76
48
16
16
16
12
0
2
2
3
6
59
62
54
48
45
52

Low Clouds (% Sky Obscured)

81
100
80
100
100
95
89
62
21
15
14
10
6
0
2
2
3
6
12
62
54
38
24
25

Medium Clouds (% Sky Obscured)

100
100
85
100
100
100
100
15
0
0
0
0
0
0
0
0
0
3
58
47
27
7
19
13

High Clouds (% Sky Obscured)

100
100
98
100
100
98
60
60
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
59
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
76
44
7
3
1
0
1
0
0
0
0
3
10
7
14
8
3
4

Precipitation Amount (mm)

1.7
1.2
1.3
3.4
1.4
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
11
13
8
8
8
8
7
7
7
7
6
5
5
2
2
3
3
3
4
4
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
5
2
3
2
1
1
0
1
1
1
1
2
1
1
1
-1
-1
-2
-4
-4
-4
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

96
90
93
93
94
93
91
89
88
86
82
83
86
84
86
88
91
91
92
91
89
81
73
55

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1019
1019

Ozone (du)

322
322
320
321
323
326
330
332
339
352
355
362
373
385
395
398
397
396
401
405
406
409
410
410

Monday 20

Waxing Crescent 16%

08:40

00:17

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

Sun - Rise: 05:57, Set: 19:39, Transit: 12:49. Moon - Rise: 08:40, Set: 00:17. Civil Dark: 20:09 - 05:26. Nautical Dark: 20:46 - 04:50. Astro Dark: 21:25 - 04:10

Total Clouds (% Sky Obscured)

57
83
85
88
60
63
60
57
60
40
5
3
3
1
0
0
1
22
19
21
12
0
9
14

Low Clouds (% Sky Obscured)

29
74
85
88
60
63
60
57
60
39
5
3
3
1
0
0
1
20
19
21
12
0
0
0

Medium Clouds (% Sky Obscured)

12
40
16
29
4
45
23
28
27
17
0
0
0
0
0
0
0
0
0
0
0
0
9
14

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
2
3

ISS Passover

Visibility (miles)

9
9
9
6
1
1
2
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 (%)

11
4
12
30
38
35
24
20
5
1
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
10
9
10
10
9
10
11
10
9
6
3
3
3
3
3
3
2
2
2
2
1
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-10
-9
-4
-3
-4
-5
-5
-3
-3
-4
-5
-6
-6
-7
-8
-9
-9
-10
-10
-10
-12
-15

Relative Humidity (%)

42
36
34
34
51
53
53
49
53
65
75
81
81
79
79
78
75
74
73
72
73
60
42
27

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1021
1022
1023
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1027

Ozone (du)

409
410
408
407
409
409
411
411
417
425
430
435
437
442
446
452
456
457
448
434
423
418
415
413

Tuesday 21

Waxing Crescent 26%

09:50

01:19

10 Good
11 OK
12 OK
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
09 Bad

Sun - Rise: 05:55, Set: 19:40, Transit: 12:48. Moon - Rise: 09:50, Set: 01:19. Civil Dark: 20:11 - 05:25. Nautical Dark: 20:47 - 04:48. Astro Dark: 21:27 - 04:08

Total Clouds (% Sky Obscured)

16
27
36
56
90
93
93
100
100
100
98
96
95
95
95
95
93
90
88
81
75
67
78
89

Low Clouds (% Sky Obscured)

0
1
1
2
1
2
11
4
4
5
4
90
85
87
89
89
89
90
88
81
75
67
78
76

Medium Clouds (% Sky Obscured)

16
27
20
23
89
92
87
99
90
100
98
96
95
95
94
93
70
66
53
51
28
10
7
9

High Clouds (% Sky Obscured)

0
4
15
31
60
29
38
30
25
15
5
5
5
5
5
5
5
5
5
0
0
0
33
67

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
1
10
66
92
57
37
54
45
52
82
57
48
73
42
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.2
0
0
0
0.1
0.7
0.2
0
0.5
0
0

Wind Speed/Direction (mph)

4
5
6
6
7
7
6
6
6
5
4
5
5
7
5
5
6
5
5
5
4
3
3
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-14
-12
-11
-10
-10
-8
-5
-3
-4
-4
1
2
2
2
2
2
2
2
2
3
4
5

Relative Humidity (%)

23
21
21
22
22
24
24
27
37
49
51
54
77
93
96
96
94
98
98
100
98
98
98
96

Pressure (mb)

1026
1025
1024
1023
1022
1021
1020
1020
1019
1019
1019
1019
1020
1019
1018
1017
1016
1016
1015
1014
1014
1014
1014
1014

Ozone (du)

406
398
390
388
386
383
384
387
389
386
382
378
376
377
377
377
377
378
383
386
386
385
387
388

Wednesday 22

Waxing Crescent 37%

No Rise

02:07

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

Sun - Rise: 05:54, Set: 19:42, Transit: 12:48. Moon - Rise: No Rise, Set: 02:07. Civil Dark: 20:12 - 05:23. Nautical Dark: 20:49 - 04:46. Astro Dark: 21:29 - 04:06

Total Clouds (% Sky Obscured)

100
97
95
93
95
90
95
57
44
27
40
60
74
85
79
78
24
16
10
13
16
28
38
53

Low Clouds (% Sky Obscured)

61
62
59
58
54
39
32
22
22
22
27
32
36
32
26
20
1
0
0
0
0
0
14
27

Medium Clouds (% Sky Obscured)

14
33
53
73
64
52
43
30
16
8
20
31
44
74
53
71
23
15
10
13
16
28
38
53

High Clouds (% Sky Obscured)

100
67
33
0
33
63
95
57
28
0
0
6
11
40
43
60
24
16
10
13
16
27
30
30

ISS Passover

Visibility (miles)

7
9
9
9
8
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 (%)

6
1
4
13
21
10
12
5
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)

1
2
4
5
7
8
10
10
8
7
6
5
5
5
4
4
4
3
3
3
4
5
5
6

Chance of Frost

Temperature (°C)

7
9
10
11
12
11
12
11
10
8
6
5
3
3
2
2
2
-1
-2
-2
-0
2
3
5

Feels Like (°C)

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

Dew Point (°C)

7
8
9
9
10
8
6
5
4
4
3
3
2
2
1
1
1
-2
-2
-3
-2
-2
-1
-2

Relative Humidity (%)

96
91
91
91
87
81
70
67
68
74
82
89
91
93
93
91
93
92
94
94
86
78
72
62

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

392
398
404
405
409
415
421
422
421
419
414
411
408
407
407
408
405
403
400
398
396
394
392
389

Thursday 23

First Quarter 49%

11:06

02:43

10 Bad
11 Bad
12 OK
13 OK
14 OK
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
09 Bad

Sun - Rise: 05:52, Set: 19:43, Transit: 12:48. Moon - Rise: 11:06, Set: 02:43. Civil Dark: 20:13 - 05:22. Nautical Dark: 20:50 - 04:44. Astro Dark: 21:30 - 04:04

Total Clouds (% Sky Obscured)

54
49
43
38
45
56
68
77
82
86
90
94
98
94
90
86
90
93
99
98
97
96
98
99

Low Clouds (% Sky Obscured)

41
27
14
0
3
5
8
5
3
3
4
6
16
23
25
31
42
56
76
60
40
20
18
20

Medium Clouds (% Sky Obscured)

50
41
31
21
17
11
5
20
36
51
63
74
86
82
79
75
76
76
77
62
48
34
22
11

High Clouds (% Sky Obscured)

30
31
28
34
23
22
30
45
60
60
56
76
77
61
67
29
66
83
90
93
96
96
98
99

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
2
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)

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

Chance of Frost

Temperature (°C)

7
8
9
10
11
11
11
10
9
7
5
4
3
1
1
-0
-1
-1
-1
-1
1
2
3
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
45
44
41
40
41
43
45
54
62
72
76
80
84
84
86
86
86
83
81
75
70
64
54

Pressure (mb)

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

Ozone (du)

387
384
383
381
380
379
378
378
378
378
379
379
379
379
379
380
380
381
382
383
384
386
387
391

Friday 24

Waxing Gibbous 60%

12:23

03:11

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 OK
04 OK
05 OK
06 OK
07 Good

Sun - Rise: 05:50, Set: 19:44, Transit: 12:48. Moon - Rise: 12:23, Set: 03:11. Civil Dark: 20:14 - 05:20. Nautical Dark: 20:52 - 04:43. Astro Dark: 21:32 - 04:02

Total Clouds (% Sky Obscured)

100
89
76
61
44
25
10
7
8
14
13
11
15
15
10
5
5
0
0
0
0
0

Low Clouds (% Sky Obscured)

21
18
9
6
7
4
10
7
8
14
13
11
10
10
10
5
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
10
10
10
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
71
45
19
38
25
10
7
8
14
13
11
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
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

3
23
35
40
52
65
77
88
95
95
95
95
95
95
88
74
60
48
36
29
22
12

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.4
0.5
0.6
1
1.2
1.1
1.1
0.9
0.8
0.7
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
9
10
10
10
11
11
9
7
5
4
3
2
2
1
1
1
0
-0
1
3

Feels Like (°C)

2
2
3
3
3
8
8
8
8
9
9
2
3
3
3
2
3
0
1
1
0
-0

Dew Point (°C)

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

Relative Humidity (%)

47
40
36
34
31
33
35
37
46
57
71
76
79
83
83
84
84
84
86
87
77
69

Pressure (mb)

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

Ozone (du)

396
400
405
409
413
412
411
411
404
398
392
390
389
387
385
383
380
383
386
388
390
392

Forecast for Grafton, Windham, United States of America (43.17,-72.61)

Generated: 18/04/26 10:38:36. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-4.00